66722480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{75821}}^1$

素因数の和:75845

約数の個数: 40

約数和(自身を含む): 169234704

約数和(自身を除く): 102512224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 75821, 151642, 303284, 379105, 606568, 758210, 834031, 1213136, 1516420, 1668062, 3032840, 3336124, 4170155, 6065680, 6672248, 8340310, 13344496, 16680620, 33361240, 66722480]

約数ペア:

[(1, 66722480), (2, 33361240), (4, 16680620), (5, 13344496), (8, 8340310), (10, 6672248), (11, 6065680), (16, 4170155), (20, 3336124), (22, 3032840), (40, 1668062), (44, 1516420), (55, 1213136), (80, 834031), (88, 758210), (110, 606568), (176, 379105), (220, 303284), (440, 151642), (880, 75821)]