31009787960

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2342129}}^1$

素因数の和:2342471

約数の個数: 32

約数和(自身を含む): 69982844400

約数和(自身を除く): 38973056440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 2342129, 4684258, 9368516, 11710645, 18737032, 23421290, 46842580, 93685160, 775244699, 1550489398, 3100978796, 3876223495, 6201957592, 7752446990, 15504893980, 31009787960]

約数ペア:

[(1, 31009787960), (2, 15504893980), (4, 7752446990), (5, 6201957592), (8, 3876223495), (10, 3100978796), (20, 1550489398), (40, 775244699), (331, 93685160), (662, 46842580), (1324, 23421290), (1655, 18737032), (2648, 11710645), (3310, 9368516), (6620, 4684258), (13240, 2342129)]