156728166520

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6112643}}^1$

素因数の和:6113295

約数の個数: 32

約数和(自身を含む): 353188570320

約数和(自身を除く): 196460403800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 6112643, 12225286, 24450572, 30563215, 48901144, 61126430, 122252860, 244505720, 3918204163, 7836408326, 15672816652, 19591020815, 31345633304, 39182041630, 78364083260, 156728166520]

約数ペア:

[(1, 156728166520), (2, 78364083260), (4, 39182041630), (5, 31345633304), (8, 19591020815), (10, 15672816652), (20, 7836408326), (40, 3918204163), (641, 244505720), (1282, 122252860), (2564, 61126430), (3205, 48901144), (5128, 30563215), (6410, 24450572), (12820, 12225286), (25640, 6112643)]