66656440

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{14747}}^1$

素因数の和:14871

約数の個数: 32

約数和(自身を含む): 151314480

約数和(自身を除く): 84658040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 14747, 29494, 58988, 73735, 117976, 147470, 294940, 589880, 1666411, 3332822, 6665644, 8332055, 13331288, 16664110, 33328220, 66656440]

約数ペア:

[(1, 66656440), (2, 33328220), (4, 16664110), (5, 13331288), (8, 8332055), (10, 6665644), (20, 3332822), (40, 1666411), (113, 589880), (226, 294940), (452, 147470), (565, 117976), (904, 73735), (1130, 58988), (2260, 29494), (4520, 14747)]