12696520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2423}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 28797120

約数和(自身を除く): 16100600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2423, 2620, 4846, 5240, 9692, 12115, 19384, 24230, 48460, 96920, 317413, 634826, 1269652, 1587065, 2539304, 3174130, 6348260, 12696520]

約数ペア:

[(1, 12696520), (2, 6348260), (4, 3174130), (5, 2539304), (8, 1587065), (10, 1269652), (20, 634826), (40, 317413), (131, 96920), (262, 48460), (524, 24230), (655, 19384), (1048, 12115), (1310, 9692), (2423, 5240), (2620, 4846)]