2097151480

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1\times {\mathrm{1223}}^1$

素因数の和:1660

約数の個数: 64

約数和(自身を含む): 4769487360

約数和(自身を除く): 2672335880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 263, 326, 526, 652, 815, 1052, 1223, 1304, 1315, 1630, 2104, 2446, 2630, 3260, 4892, 5260, 6115, 6520, 9784, 10520, 12230, 24460, 42869, 48920, 85738, 171476, 199349, 214345, 321649, 342952, 398698, 428690, 643298, 797396, 857380, 996745, 1286596, 1594792, 1608245, 1714760, 1993490, 2573192, 3216490, 3986980, 6432980, 7973960, 12865960, 52428787, 104857574, 209715148, 262143935, 419430296, 524287870, 1048575740, 2097151480]

約数ペア:

[(1, 2097151480), (2, 1048575740), (4, 524287870), (5, 419430296), (8, 262143935), (10, 209715148), (20, 104857574), (40, 52428787), (163, 12865960), (263, 7973960), (326, 6432980), (526, 3986980), (652, 3216490), (815, 2573192), (1052, 1993490), (1223, 1714760), (1304, 1608245), (1315, 1594792), (1630, 1286596), (2104, 996745), (2446, 857380), (2630, 797396), (3260, 643298), (4892, 428690), (5260, 398698), (6115, 342952), (6520, 321649), (9784, 214345), (10520, 199349), (12230, 171476), (24460, 85738), (42869, 48920)]