66216440

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2683}}^1$

素因数の和:3311

約数の個数: 32

約数和(自身を含む): 149284080

約数和(自身を除く): 83067640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 2683, 3085, 4936, 5366, 6170, 10732, 12340, 13415, 21464, 24680, 26830, 53660, 107320, 1655411, 3310822, 6621644, 8277055, 13243288, 16554110, 33108220, 66216440]

約数ペア:

[(1, 66216440), (2, 33108220), (4, 16554110), (5, 13243288), (8, 8277055), (10, 6621644), (20, 3310822), (40, 1655411), (617, 107320), (1234, 53660), (2468, 26830), (2683, 24680), (3085, 21464), (4936, 13415), (5366, 12340), (6170, 10732)]