15483880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12487}}^1$

素因数の和:12529

約数の個数: 32

約数和(自身を含む): 35965440

約数和(自身を除く): 20481560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12487, 24974, 49948, 62435, 99896, 124870, 249740, 387097, 499480, 774194, 1548388, 1935485, 3096776, 3870970, 7741940, 15483880]

約数ペア:

[(1, 15483880), (2, 7741940), (4, 3870970), (5, 3096776), (8, 1935485), (10, 1548388), (20, 774194), (31, 499480), (40, 387097), (62, 249740), (124, 124870), (155, 99896), (248, 62435), (310, 49948), (620, 24974), (1240, 12487)]