56565340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217559}}^1$

素因数の和:217581

約数の個数: 24

約数和(自身を含む): 127925280

約数和(自身を除く): 71359940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217559, 435118, 870236, 1087795, 2175590, 2828267, 4351180, 5656534, 11313068, 14141335, 28282670, 56565340]

約数ペア:

[(1, 56565340), (2, 28282670), (4, 14141335), (5, 11313068), (10, 5656534), (13, 4351180), (20, 2828267), (26, 2175590), (52, 1087795), (65, 870236), (130, 435118), (260, 217559)]