68147920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27479}}^1$

素因数の和:27523

約数の個数: 40

約数和(自身を含む): 163560960

約数和(自身を除く): 95413040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 27479, 54958, 109916, 137395, 219832, 274790, 439664, 549580, 851849, 1099160, 1703698, 2198320, 3407396, 4259245, 6814792, 8518490, 13629584, 17036980, 34073960, 68147920]

約数ペア:

[(1, 68147920), (2, 34073960), (4, 17036980), (5, 13629584), (8, 8518490), (10, 6814792), (16, 4259245), (20, 3407396), (31, 2198320), (40, 1703698), (62, 1099160), (80, 851849), (124, 549580), (155, 439664), (248, 274790), (310, 219832), (496, 137395), (620, 109916), (1240, 54958), (2480, 27479)]