72178480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82021}}^1$

素因数の和:82045

約数の個数: 40

約数和(自身を含む): 183073104

約数和(自身を除く): 110894624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 82021, 164042, 328084, 410105, 656168, 820210, 902231, 1312336, 1640420, 1804462, 3280840, 3608924, 4511155, 6561680, 7217848, 9022310, 14435696, 18044620, 36089240, 72178480]

約数ペア:

[(1, 72178480), (2, 36089240), (4, 18044620), (5, 14435696), (8, 9022310), (10, 7217848), (11, 6561680), (16, 4511155), (20, 3608924), (22, 3280840), (40, 1804462), (44, 1640420), (55, 1312336), (80, 902231), (88, 820210), (110, 656168), (176, 410105), (220, 328084), (440, 164042), (880, 82021)]