15925580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 20846260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 379, 382, 758, 764, 955, 1516, 1895, 1910, 2101, 3790, 3820, 4169, 4202, 7580, 8338, 8404, 10505, 16676, 20845, 21010, 41690, 42020, 72389, 83380, 144778, 289556, 361945, 723890, 796279, 1447780, 1592558, 3185116, 3981395, 7962790, 15925580]

約数ペア:

[(1, 15925580), (2, 7962790), (4, 3981395), (5, 3185116), (10, 1592558), (11, 1447780), (20, 796279), (22, 723890), (44, 361945), (55, 289556), (110, 144778), (191, 83380), (220, 72389), (379, 42020), (382, 41690), (758, 21010), (764, 20845), (955, 16676), (1516, 10505), (1895, 8404), (1910, 8338), (2101, 7580), (3790, 4202), (3820, 4169)]