39440000

素因数分解:

$2^7\times 5^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 160

約数和(自身を含む): 107543700

約数和(自身を除く): 68103700

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 29, 32, 34, 40, 50, 58, 64, 68, 80, 85, 100, 116, 125, 128, 136, 145, 160, 170, 200, 232, 250, 272, 290, 320, 340, 400, 425, 464, 493, 500, 544, 580, 625, 640, 680, 725, 800, 850, 928, 986, 1000, 1088, 1160, 1250, 1360, 1450, 1600, 1700, 1856, 1972, 2000, 2125, 2176, 2320, 2465, 2500, 2720, 2900, 3200, 3400, 3625, 3712, 3944, 4000, 4250, 4640, 4930, 5000, 5440, 5800, 6800, 7250, 7888, 8000, 8500, 9280, 9860, 10000, 10625, 10880, 11600, 12325, 13600, 14500, 15776, 16000, 17000, 18125, 18560, 19720, 20000, 21250, 23200, 24650, 27200, 29000, 31552, 34000, 36250, 39440, 40000, 42500, 46400, 49300, 54400, 58000, 61625, 63104, 68000, 72500, 78880, 80000, 85000, 92800, 98600, 116000, 123250, 136000, 145000, 157760, 170000, 197200, 232000, 246500, 272000, 290000, 308125, 315520, 340000, 394400, 464000, 493000, 580000, 616250, 680000, 788800, 986000, 1160000, 1232500, 1360000, 1577600, 1972000, 2320000, 2465000, 3944000, 4930000, 7888000, 9860000, 19720000, 39440000]

約数ペア:

[(1, 39440000), (2, 19720000), (4, 9860000), (5, 7888000), (8, 4930000), (10, 3944000), (16, 2465000), (17, 2320000), (20, 1972000), (25, 1577600), (29, 1360000), (32, 1232500), (34, 1160000), (40, 986000), (50, 788800), (58, 680000), (64, 616250), (68, 580000), (80, 493000), (85, 464000), (100, 394400), (116, 340000), (125, 315520), (128, 308125), (136, 290000), (145, 272000), (160, 246500), (170, 232000), (200, 197200), (232, 170000), (250, 157760), (272, 145000), (290, 136000), (320, 123250), (340, 116000), (400, 98600), (425, 92800), (464, 85000), (493, 80000), (500, 78880), (544, 72500), (580, 68000), (625, 63104), (640, 61625), (680, 58000), (725, 54400), (800, 49300), (850, 46400), (928, 42500), (986, 40000), (1000, 39440), (1088, 36250), (1160, 34000), (1250, 31552), (1360, 29000), (1450, 27200), (1600, 24650), (1700, 23200), (1856, 21250), (1972, 20000), (2000, 19720), (2125, 18560), (2176, 18125), (2320, 17000), (2465, 16000), (2500, 15776), (2720, 14500), (2900, 13600), (3200, 12325), (3400, 11600), (3625, 10880), (3712, 10625), (3944, 10000), (4000, 9860), (4250, 9280), (4640, 8500), (4930, 8000), (5000, 7888), (5440, 7250), (5800, 6800)]