51666400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 139209840

約数和(自身を除く): 87543440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 29, 32, 34, 40, 50, 58, 68, 80, 85, 100, 116, 131, 136, 145, 160, 170, 200, 232, 262, 272, 290, 340, 400, 425, 464, 493, 524, 544, 580, 655, 680, 725, 800, 850, 928, 986, 1048, 1160, 1310, 1360, 1450, 1700, 1972, 2096, 2227, 2320, 2465, 2620, 2720, 2900, 3275, 3400, 3799, 3944, 4192, 4454, 4640, 4930, 5240, 5800, 6550, 6800, 7598, 7888, 8908, 9860, 10480, 11135, 11600, 12325, 13100, 13600, 15196, 15776, 17816, 18995, 19720, 20960, 22270, 23200, 24650, 26200, 30392, 35632, 37990, 39440, 44540, 49300, 52400, 55675, 60784, 64583, 71264, 75980, 78880, 89080, 94975, 98600, 104800, 111350, 121568, 129166, 151960, 178160, 189950, 197200, 222700, 258332, 303920, 322915, 356320, 379900, 394400, 445400, 516664, 607840, 645830, 759800, 890800, 1033328, 1291660, 1519600, 1614575, 1781600, 2066656, 2583320, 3039200, 3229150, 5166640, 6458300, 10333280, 12916600, 25833200, 51666400]

約数ペア:

[(1, 51666400), (2, 25833200), (4, 12916600), (5, 10333280), (8, 6458300), (10, 5166640), (16, 3229150), (17, 3039200), (20, 2583320), (25, 2066656), (29, 1781600), (32, 1614575), (34, 1519600), (40, 1291660), (50, 1033328), (58, 890800), (68, 759800), (80, 645830), (85, 607840), (100, 516664), (116, 445400), (131, 394400), (136, 379900), (145, 356320), (160, 322915), (170, 303920), (200, 258332), (232, 222700), (262, 197200), (272, 189950), (290, 178160), (340, 151960), (400, 129166), (425, 121568), (464, 111350), (493, 104800), (524, 98600), (544, 94975), (580, 89080), (655, 78880), (680, 75980), (725, 71264), (800, 64583), (850, 60784), (928, 55675), (986, 52400), (1048, 49300), (1160, 44540), (1310, 39440), (1360, 37990), (1450, 35632), (1700, 30392), (1972, 26200), (2096, 24650), (2227, 23200), (2320, 22270), (2465, 20960), (2620, 19720), (2720, 18995), (2900, 17816), (3275, 15776), (3400, 15196), (3799, 13600), (3944, 13100), (4192, 12325), (4454, 11600), (4640, 11135), (4930, 10480), (5240, 9860), (5800, 8908), (6550, 7888), (6800, 7598)]