28505600

素因数分解:

$2^9\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 120

約数和(自身を含む): 75350088

約数和(自身を除く): 46844488

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 131, 136, 160, 170, 200, 256, 262, 272, 320, 340, 400, 425, 512, 524, 544, 640, 655, 680, 800, 850, 1048, 1088, 1280, 1310, 1360, 1600, 1700, 2096, 2176, 2227, 2560, 2620, 2720, 3200, 3275, 3400, 4192, 4352, 4454, 5240, 5440, 6400, 6550, 6800, 8384, 8704, 8908, 10480, 10880, 11135, 12800, 13100, 13600, 16768, 17816, 20960, 21760, 22270, 26200, 27200, 33536, 35632, 41920, 43520, 44540, 52400, 54400, 55675, 67072, 71264, 83840, 89080, 104800, 108800, 111350, 142528, 167680, 178160, 209600, 217600, 222700, 285056, 335360, 356320, 419200, 445400, 570112, 712640, 838400, 890800, 1140224, 1425280, 1676800, 1781600, 2850560, 3563200, 5701120, 7126400, 14252800, 28505600]

約数ペア:

[(1, 28505600), (2, 14252800), (4, 7126400), (5, 5701120), (8, 3563200), (10, 2850560), (16, 1781600), (17, 1676800), (20, 1425280), (25, 1140224), (32, 890800), (34, 838400), (40, 712640), (50, 570112), (64, 445400), (68, 419200), (80, 356320), (85, 335360), (100, 285056), (128, 222700), (131, 217600), (136, 209600), (160, 178160), (170, 167680), (200, 142528), (256, 111350), (262, 108800), (272, 104800), (320, 89080), (340, 83840), (400, 71264), (425, 67072), (512, 55675), (524, 54400), (544, 52400), (640, 44540), (655, 43520), (680, 41920), (800, 35632), (850, 33536), (1048, 27200), (1088, 26200), (1280, 22270), (1310, 21760), (1360, 20960), (1600, 17816), (1700, 16768), (2096, 13600), (2176, 13100), (2227, 12800), (2560, 11135), (2620, 10880), (2720, 10480), (3200, 8908), (3275, 8704), (3400, 8384), (4192, 6800), (4352, 6550), (4454, 6400), (5240, 5440)]