40794520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4129}}^1$

素因数の和:4172

約数の個数: 64

約数和(自身を含む): 104076000

約数和(自身を除く): 63281480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4129, 4940, 8258, 9880, 16516, 20645, 33032, 41290, 53677, 78451, 82580, 107354, 156902, 165160, 214708, 268385, 313804, 392255, 429416, 536770, 627608, 784510, 1019863, 1073540, 1569020, 2039726, 2147080, 3138040, 4079452, 5099315, 8158904, 10198630, 20397260, 40794520]

約数ペア:

[(1, 40794520), (2, 20397260), (4, 10198630), (5, 8158904), (8, 5099315), (10, 4079452), (13, 3138040), (19, 2147080), (20, 2039726), (26, 1569020), (38, 1073540), (40, 1019863), (52, 784510), (65, 627608), (76, 536770), (95, 429416), (104, 392255), (130, 313804), (152, 268385), (190, 214708), (247, 165160), (260, 156902), (380, 107354), (494, 82580), (520, 78451), (760, 53677), (988, 41290), (1235, 33032), (1976, 20645), (2470, 16516), (4129, 9880), (4940, 8258)]