40168880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11677}}^1$

素因数の和:11733

約数の個数: 40

約数和(自身を含む): 95572752

約数和(自身を除く): 55403872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11677, 23354, 46708, 58385, 93416, 116770, 186832, 233540, 467080, 502111, 934160, 1004222, 2008444, 2510555, 4016888, 5021110, 8033776, 10042220, 20084440, 40168880]

約数ペア:

[(1, 40168880), (2, 20084440), (4, 10042220), (5, 8033776), (8, 5021110), (10, 4016888), (16, 2510555), (20, 2008444), (40, 1004222), (43, 934160), (80, 502111), (86, 467080), (172, 233540), (215, 186832), (344, 116770), (430, 93416), (688, 58385), (860, 46708), (1720, 23354), (3440, 11677)]