24778780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7331}}^1$

素因数の和:7366

約数の個数: 36

約数和(自身を含む): 56353752

約数和(自身を除く): 31574972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 7331, 14662, 29324, 36655, 73310, 95303, 146620, 190606, 381212, 476515, 953030, 1238939, 1906060, 2477878, 4955756, 6194695, 12389390, 24778780]

約数ペア:

[(1, 24778780), (2, 12389390), (4, 6194695), (5, 4955756), (10, 2477878), (13, 1906060), (20, 1238939), (26, 953030), (52, 476515), (65, 381212), (130, 190606), (169, 146620), (260, 95303), (338, 73310), (676, 36655), (845, 29324), (1690, 14662), (3380, 7331)]