27519140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2909}}^1$

素因数の和:2972

約数の個数: 48

約数和(自身を含む): 64532160

約数和(自身を除く): 37013020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 2909, 4730, 5818, 9460, 11636, 14545, 29090, 31999, 58180, 63998, 125087, 127996, 159995, 250174, 319990, 500348, 625435, 639980, 1250870, 1375957, 2501740, 2751914, 5503828, 6879785, 13759570, 27519140]

約数ペア:

[(1, 27519140), (2, 13759570), (4, 6879785), (5, 5503828), (10, 2751914), (11, 2501740), (20, 1375957), (22, 1250870), (43, 639980), (44, 625435), (55, 500348), (86, 319990), (110, 250174), (172, 159995), (215, 127996), (220, 125087), (430, 63998), (473, 58180), (860, 31999), (946, 29090), (1892, 14545), (2365, 11636), (2909, 9460), (4730, 5818)]