13400920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25771}}^1$

素因数の和:25795

約数の個数: 32

約数和(自身を含む): 32472720

約数和(自身を除く): 19071800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25771, 51542, 103084, 128855, 206168, 257710, 335023, 515420, 670046, 1030840, 1340092, 1675115, 2680184, 3350230, 6700460, 13400920]

約数ペア:

[(1, 13400920), (2, 6700460), (4, 3350230), (5, 2680184), (8, 1675115), (10, 1340092), (13, 1030840), (20, 670046), (26, 515420), (40, 335023), (52, 257710), (65, 206168), (104, 128855), (130, 103084), (260, 51542), (520, 25771)]