40173220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 90115200

約数和(自身を除く): 49941980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 1489, 2698, 2978, 5396, 5956, 6745, 7445, 13490, 14890, 26980, 28291, 29780, 56582, 105719, 113164, 141455, 211438, 282910, 422876, 528595, 565820, 1057190, 2008661, 2114380, 4017322, 8034644, 10043305, 20086610, 40173220]

約数ペア:

[(1, 40173220), (2, 20086610), (4, 10043305), (5, 8034644), (10, 4017322), (19, 2114380), (20, 2008661), (38, 1057190), (71, 565820), (76, 528595), (95, 422876), (142, 282910), (190, 211438), (284, 141455), (355, 113164), (380, 105719), (710, 56582), (1349, 29780), (1420, 28291), (1489, 26980), (2698, 14890), (2978, 13490), (5396, 7445), (5956, 6745)]