156156920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{125933}}^1$

素因数の和:125975

約数の個数: 32

約数和(自身を含む): 362689920

約数和(自身を除く): 206533000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 125933, 251866, 503732, 629665, 1007464, 1259330, 2518660, 3903923, 5037320, 7807846, 15615692, 19519615, 31231384, 39039230, 78078460, 156156920]

約数ペア:

[(1, 156156920), (2, 78078460), (4, 39039230), (5, 31231384), (8, 19519615), (10, 15615692), (20, 7807846), (31, 5037320), (40, 3903923), (62, 2518660), (124, 1259330), (155, 1007464), (248, 629665), (310, 503732), (620, 251866), (1240, 125933)]