2012937820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1\times {\mathrm{1039}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 4265089920

約数和(自身を除く): 2252152100

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 617, 628, 785, 1039, 1234, 1570, 2078, 2468, 3085, 3140, 4156, 5195, 6170, 10390, 12340, 20780, 96869, 163123, 193738, 326246, 387476, 484345, 641063, 652492, 815615, 968690, 1282126, 1631230, 1937380, 2564252, 3205315, 3262460, 6410630, 12821260, 100646891, 201293782, 402587564, 503234455, 1006468910, 2012937820]

約数ペア:

[(1, 2012937820), (2, 1006468910), (4, 503234455), (5, 402587564), (10, 201293782), (20, 100646891), (157, 12821260), (314, 6410630), (617, 3262460), (628, 3205315), (785, 2564252), (1039, 1937380), (1234, 1631230), (1570, 1282126), (2078, 968690), (2468, 815615), (3085, 652492), (3140, 641063), (4156, 484345), (5195, 387476), (6170, 326246), (10390, 193738), (12340, 163123), (20780, 96869)]