87880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3$

素因数の和:50

約数の個数: 32

約数和(自身を含む): 214200

約数和(自身を除く): 126320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2197, 3380, 4394, 6760, 8788, 10985, 17576, 21970, 43940, 87880]

約数ペア:

[(1, 87880), (2, 43940), (4, 21970), (5, 17576), (8, 10985), (10, 8788), (13, 6760), (20, 4394), (26, 3380), (40, 2197), (52, 1690), (65, 1352), (104, 845), (130, 676), (169, 520), (260, 338)]