68521160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55259}}^1$

素因数の和:55301

約数の個数: 32

約数和(自身を含む): 159148800

約数和(自身を除く): 90627640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55259, 110518, 221036, 276295, 442072, 552590, 1105180, 1713029, 2210360, 3426058, 6852116, 8565145, 13704232, 17130290, 34260580, 68521160]

約数ペア:

[(1, 68521160), (2, 34260580), (4, 17130290), (5, 13704232), (8, 8565145), (10, 6852116), (20, 3426058), (31, 2210360), (40, 1713029), (62, 1105180), (124, 552590), (155, 442072), (248, 276295), (310, 221036), (620, 110518), (1240, 55259)]