211141520

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{9739}}^1$

素因数の和:10023

約数の個数: 40

約数和(自身を含む): 492766080

約数和(自身を除く): 281624560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 9739, 10840, 19478, 21680, 38956, 48695, 77912, 97390, 155824, 194780, 389560, 779120, 2639269, 5278538, 10557076, 13196345, 21114152, 26392690, 42228304, 52785380, 105570760, 211141520]

約数ペア:

[(1, 211141520), (2, 105570760), (4, 52785380), (5, 42228304), (8, 26392690), (10, 21114152), (16, 13196345), (20, 10557076), (40, 5278538), (80, 2639269), (271, 779120), (542, 389560), (1084, 194780), (1355, 155824), (2168, 97390), (2710, 77912), (4336, 48695), (5420, 38956), (9739, 21680), (10840, 19478)]