13005580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 33209568

約数和(自身を除く): 20203988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 577, 644, 805, 980, 1127, 1154, 1610, 2254, 2308, 2885, 3220, 4039, 4508, 5635, 5770, 8078, 11270, 11540, 13271, 16156, 20195, 22540, 26542, 28273, 40390, 53084, 56546, 66355, 80780, 92897, 113092, 132710, 141365, 185794, 265420, 282730, 371588, 464485, 565460, 650279, 928970, 1300558, 1857940, 2601116, 3251395, 6502790, 13005580]

約数ペア:

[(1, 13005580), (2, 6502790), (4, 3251395), (5, 2601116), (7, 1857940), (10, 1300558), (14, 928970), (20, 650279), (23, 565460), (28, 464485), (35, 371588), (46, 282730), (49, 265420), (70, 185794), (92, 141365), (98, 132710), (115, 113092), (140, 92897), (161, 80780), (196, 66355), (230, 56546), (245, 53084), (322, 40390), (460, 28273), (490, 26542), (577, 22540), (644, 20195), (805, 16156), (980, 13271), (1127, 11540), (1154, 11270), (1610, 8078), (2254, 5770), (2308, 5635), (2885, 4508), (3220, 4039)]