72114440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41927}}^1$

素因数の和:41981

約数の個数: 32

約数和(自身を含む): 166034880

約数和(自身を除く): 93920440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41927, 83854, 167708, 209635, 335416, 419270, 838540, 1677080, 1802861, 3605722, 7211444, 9014305, 14422888, 18028610, 36057220, 72114440]

約数ペア:

[(1, 72114440), (2, 36057220), (4, 18028610), (5, 14422888), (8, 9014305), (10, 7211444), (20, 3605722), (40, 1802861), (43, 1677080), (86, 838540), (172, 419270), (215, 335416), (344, 209635), (430, 167708), (860, 83854), (1720, 41927)]