12613880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3251}}^1$

素因数の和:3359

約数の個数: 32

約数和(自身を含む): 28682640

約数和(自身を除く): 16068760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3251, 3880, 6502, 13004, 16255, 26008, 32510, 65020, 130040, 315347, 630694, 1261388, 1576735, 2522776, 3153470, 6306940, 12613880]

約数ペア:

[(1, 12613880), (2, 6306940), (4, 3153470), (5, 2522776), (8, 1576735), (10, 1261388), (20, 630694), (40, 315347), (97, 130040), (194, 65020), (388, 32510), (485, 26008), (776, 16255), (970, 13004), (1940, 6502), (3251, 3880)]