67987960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{54829}}^1$

素因数の和:54871

約数の個数: 32

約数和(自身を含む): 157910400

約数和(自身を除く): 89922440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 54829, 109658, 219316, 274145, 438632, 548290, 1096580, 1699699, 2193160, 3399398, 6798796, 8498495, 13597592, 16996990, 33993980, 67987960]

約数ペア:

[(1, 67987960), (2, 33993980), (4, 16996990), (5, 13597592), (8, 8498495), (10, 6798796), (20, 3399398), (31, 2193160), (40, 1699699), (62, 1096580), (124, 548290), (155, 438632), (248, 274145), (310, 219316), (620, 109658), (1240, 54829)]