31761980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51229}}^1$

素因数の和:51269

約数の個数: 24

約数和(自身を含む): 68853120

約数和(自身を除く): 37091140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 51229, 102458, 204916, 256145, 512290, 1024580, 1588099, 3176198, 6352396, 7940495, 15880990, 31761980]

約数ペア:

[(1, 31761980), (2, 15880990), (4, 7940495), (5, 6352396), (10, 3176198), (20, 1588099), (31, 1024580), (62, 512290), (124, 256145), (155, 204916), (310, 102458), (620, 51229)]