102420400

素因数分解:

$2^4\times 5^2\times {\mathrm{107}}^1\times {\mathrm{2393}}^1$

素因数の和:2518

約数の個数: 60

約数和(自身を含む): 248468472

約数和(自身を除く): 146048072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 107, 200, 214, 400, 428, 535, 856, 1070, 1712, 2140, 2393, 2675, 4280, 4786, 5350, 8560, 9572, 10700, 11965, 19144, 21400, 23930, 38288, 42800, 47860, 59825, 95720, 119650, 191440, 239300, 256051, 478600, 512102, 957200, 1024204, 1280255, 2048408, 2560510, 4096816, 5121020, 6401275, 10242040, 12802550, 20484080, 25605100, 51210200, 102420400]

約数ペア:

[(1, 102420400), (2, 51210200), (4, 25605100), (5, 20484080), (8, 12802550), (10, 10242040), (16, 6401275), (20, 5121020), (25, 4096816), (40, 2560510), (50, 2048408), (80, 1280255), (100, 1024204), (107, 957200), (200, 512102), (214, 478600), (400, 256051), (428, 239300), (535, 191440), (856, 119650), (1070, 95720), (1712, 59825), (2140, 47860), (2393, 42800), (2675, 38288), (4280, 23930), (4786, 21400), (5350, 19144), (8560, 11965), (9572, 10700)]