100390040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{31769}}^1$

素因数の和:31859

約数の個数: 32

約数和(自身を含む): 228744000

約数和(自身を除く): 128353960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 31769, 63538, 127076, 158845, 254152, 317690, 635380, 1270760, 2509751, 5019502, 10039004, 12548755, 20078008, 25097510, 50195020, 100390040]

約数ペア:

[(1, 100390040), (2, 50195020), (4, 25097510), (5, 20078008), (8, 12548755), (10, 10039004), (20, 5019502), (40, 2509751), (79, 1270760), (158, 635380), (316, 317690), (395, 254152), (632, 158845), (790, 127076), (1580, 63538), (3160, 31769)]