13003880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10487}}^1$

素因数の和:10529

約数の個数: 32

約数和(自身を含む): 30205440

約数和(自身を除く): 17201560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10487, 20974, 41948, 52435, 83896, 104870, 209740, 325097, 419480, 650194, 1300388, 1625485, 2600776, 3250970, 6501940, 13003880]

約数ペア:

[(1, 13003880), (2, 6501940), (4, 3250970), (5, 2600776), (8, 1625485), (10, 1300388), (20, 650194), (31, 419480), (40, 325097), (62, 209740), (124, 104870), (155, 83896), (248, 52435), (310, 41948), (620, 20974), (1240, 10487)]