86387960

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{9431}}^1$

素因数の和:9671

約数の個数: 32

約数和(自身を含む): 195242400

約数和(自身を除く): 108854440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 9431, 18862, 37724, 47155, 75448, 94310, 188620, 377240, 2159699, 4319398, 8638796, 10798495, 17277592, 21596990, 43193980, 86387960]

約数ペア:

[(1, 86387960), (2, 43193980), (4, 21596990), (5, 17277592), (8, 10798495), (10, 8638796), (20, 4319398), (40, 2159699), (229, 377240), (458, 188620), (916, 94310), (1145, 75448), (1832, 47155), (2290, 37724), (4580, 18862), (9160, 9431)]