68909440

素因数分解:

$2^7\times 5^1\times {\mathrm{107671}}^1$

素因数の和:107690

約数の個数: 32

約数和(自身を含む): 164738160

約数和(自身を除く): 95828720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 107671, 215342, 430684, 538355, 861368, 1076710, 1722736, 2153420, 3445472, 4306840, 6890944, 8613680, 13781888, 17227360, 34454720, 68909440]

約数ペア:

[(1, 68909440), (2, 34454720), (4, 17227360), (5, 13781888), (8, 8613680), (10, 6890944), (16, 4306840), (20, 3445472), (32, 2153420), (40, 1722736), (64, 1076710), (80, 861368), (128, 538355), (160, 430684), (320, 215342), (640, 107671)]