156732280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{126397}}^1$

素因数の和:126439

約数の個数: 32

約数和(自身を含む): 364026240

約数和(自身を除く): 207293960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 126397, 252794, 505588, 631985, 1011176, 1263970, 2527940, 3918307, 5055880, 7836614, 15673228, 19591535, 31346456, 39183070, 78366140, 156732280]

約数ペア:

[(1, 156732280), (2, 78366140), (4, 39183070), (5, 31346456), (8, 19591535), (10, 15673228), (20, 7836614), (31, 5055880), (40, 3918307), (62, 2527940), (124, 1263970), (155, 1011176), (248, 631985), (310, 505588), (620, 252794), (1240, 126397)]