8013940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 18648000

約数和(自身を除く): 10634060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 499, 730, 803, 998, 1460, 1606, 1996, 2495, 3212, 4015, 4990, 5489, 8030, 9980, 10978, 16060, 21956, 27445, 36427, 54890, 72854, 109780, 145708, 182135, 364270, 400697, 728540, 801394, 1602788, 2003485, 4006970, 8013940]

約数ペア:

[(1, 8013940), (2, 4006970), (4, 2003485), (5, 1602788), (10, 801394), (11, 728540), (20, 400697), (22, 364270), (44, 182135), (55, 145708), (73, 109780), (110, 72854), (146, 54890), (220, 36427), (292, 27445), (365, 21956), (499, 16060), (730, 10978), (803, 9980), (998, 8030), (1460, 5489), (1606, 4990), (1996, 4015), (2495, 3212)]