40698640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11831}}^1$

素因数の和:11887

約数の個数: 40

約数和(自身を含む): 96833088

約数和(自身を除く): 56134448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11831, 23662, 47324, 59155, 94648, 118310, 189296, 236620, 473240, 508733, 946480, 1017466, 2034932, 2543665, 4069864, 5087330, 8139728, 10174660, 20349320, 40698640]

約数ペア:

[(1, 40698640), (2, 20349320), (4, 10174660), (5, 8139728), (8, 5087330), (10, 4069864), (16, 2543665), (20, 2034932), (40, 1017466), (43, 946480), (80, 508733), (86, 473240), (172, 236620), (215, 189296), (344, 118310), (430, 94648), (688, 59155), (860, 47324), (1720, 23662), (3440, 11831)]