2556920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 5821200

約数和(自身を除く): 3264280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 659, 776, 970, 1318, 1940, 2636, 3295, 3880, 5272, 6590, 13180, 26360, 63923, 127846, 255692, 319615, 511384, 639230, 1278460, 2556920]

約数ペア:

[(1, 2556920), (2, 1278460), (4, 639230), (5, 511384), (8, 319615), (10, 255692), (20, 127846), (40, 63923), (97, 26360), (194, 13180), (388, 6590), (485, 5272), (659, 3880), (776, 3295), (970, 2636), (1318, 1940)]