40289360

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1609}}^1$

素因数の和:1935

約数の個数: 40

約数和(自身を含む): 94030440

約数和(自身を除く): 53741080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 1609, 2504, 3130, 3218, 5008, 6260, 6436, 8045, 12520, 12872, 16090, 25040, 25744, 32180, 64360, 128720, 503617, 1007234, 2014468, 2518085, 4028936, 5036170, 8057872, 10072340, 20144680, 40289360]

約数ペア:

[(1, 40289360), (2, 20144680), (4, 10072340), (5, 8057872), (8, 5036170), (10, 4028936), (16, 2518085), (20, 2014468), (40, 1007234), (80, 503617), (313, 128720), (626, 64360), (1252, 32180), (1565, 25744), (1609, 25040), (2504, 16090), (3130, 12872), (3218, 12520), (5008, 8045), (6260, 6436)]