2220008380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1819679}}^1$

素因数の和:1819749

約数の個数: 24

約数和(自身を含む): 4738446720

約数和(自身を除く): 2518438340

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1819679, 3639358, 7278716, 9098395, 18196790, 36393580, 111000419, 222000838, 444001676, 555002095, 1110004190, 2220008380]

約数ペア:

[(1, 2220008380), (2, 1110004190), (4, 555002095), (5, 444001676), (10, 222000838), (20, 111000419), (61, 36393580), (122, 18196790), (244, 9098395), (305, 7278716), (610, 3639358), (1220, 1819679)]