66990920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{14821}}^1$

素因数の和:14945

約数の個数: 32

約数和(自身を含む): 152073720

約数和(自身を除く): 85082800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 14821, 29642, 59284, 74105, 118568, 148210, 296420, 592840, 1674773, 3349546, 6699092, 8373865, 13398184, 16747730, 33495460, 66990920]

約数ペア:

[(1, 66990920), (2, 33495460), (4, 16747730), (5, 13398184), (8, 8373865), (10, 6699092), (20, 3349546), (40, 1674773), (113, 592840), (226, 296420), (452, 148210), (565, 118568), (904, 74105), (1130, 59284), (2260, 29642), (4520, 14821)]