11560220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 28159488

約数和(自身を除く): 16599268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1163, 1420, 1988, 2326, 2485, 4652, 4970, 5815, 8141, 9940, 11630, 16282, 23260, 32564, 40705, 81410, 82573, 162820, 165146, 330292, 412865, 578011, 825730, 1156022, 1651460, 2312044, 2890055, 5780110, 11560220]

約数ペア:

[(1, 11560220), (2, 5780110), (4, 2890055), (5, 2312044), (7, 1651460), (10, 1156022), (14, 825730), (20, 578011), (28, 412865), (35, 330292), (70, 165146), (71, 162820), (140, 82573), (142, 81410), (284, 40705), (355, 32564), (497, 23260), (710, 16282), (994, 11630), (1163, 9940), (1420, 8141), (1988, 5815), (2326, 4970), (2485, 4652)]