2139320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 4881600

約数和(自身を除く): 2742280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 677, 790, 1354, 1580, 2708, 3160, 3385, 5416, 6770, 13540, 27080, 53483, 106966, 213932, 267415, 427864, 534830, 1069660, 2139320]

約数ペア:

[(1, 2139320), (2, 1069660), (4, 534830), (5, 427864), (8, 267415), (10, 213932), (20, 106966), (40, 53483), (79, 27080), (158, 13540), (316, 6770), (395, 5416), (632, 3385), (677, 3160), (790, 2708), (1354, 1580)]