40045240

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6719}}^1$

素因数の和:6879

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 50674760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 6719, 13438, 26876, 33595, 53752, 67190, 134380, 268760, 1001131, 2002262, 4004524, 5005655, 8009048, 10011310, 20022620, 40045240]

約数ペア:

[(1, 40045240), (2, 20022620), (4, 10011310), (5, 8009048), (8, 5005655), (10, 4004524), (20, 2002262), (40, 1001131), (149, 268760), (298, 134380), (596, 67190), (745, 53752), (1192, 33595), (1490, 26876), (2980, 13438), (5960, 6719)]