210280460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{808771}}^1$

素因数の和:808793

約数の個数: 24

約数和(自身を含む): 475557936

約数和(自身を除く): 265277476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 808771, 1617542, 3235084, 4043855, 8087710, 10514023, 16175420, 21028046, 42056092, 52570115, 105140230, 210280460]

約数ペア:

[(1, 210280460), (2, 105140230), (4, 52570115), (5, 42056092), (10, 21028046), (13, 16175420), (20, 10514023), (26, 8087710), (52, 4043855), (65, 3235084), (130, 1617542), (260, 808771)]