12567640

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{829}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 28386000

約数和(自身を除く): 15818360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 829, 1516, 1658, 1895, 3032, 3316, 3790, 4145, 6632, 7580, 8290, 15160, 16580, 33160, 314191, 628382, 1256764, 1570955, 2513528, 3141910, 6283820, 12567640]

約数ペア:

[(1, 12567640), (2, 6283820), (4, 3141910), (5, 2513528), (8, 1570955), (10, 1256764), (20, 628382), (40, 314191), (379, 33160), (758, 16580), (829, 15160), (1516, 8290), (1658, 7580), (1895, 6632), (3032, 4145), (3316, 3790)]