40684880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11827}}^1$

素因数の和:11883

約数の個数: 40

約数和(自身を含む): 96800352

約数和(自身を除く): 56115472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11827, 23654, 47308, 59135, 94616, 118270, 189232, 236540, 473080, 508561, 946160, 1017122, 2034244, 2542805, 4068488, 5085610, 8136976, 10171220, 20342440, 40684880]

約数ペア:

[(1, 40684880), (2, 20342440), (4, 10171220), (5, 8136976), (8, 5085610), (10, 4068488), (16, 2542805), (20, 2034244), (40, 1017122), (43, 946160), (80, 508561), (86, 473080), (172, 236540), (215, 189232), (344, 118270), (430, 94616), (688, 59135), (860, 47308), (1720, 23654), (3440, 11827)]