68345080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55117}}^1$

素因数の和:55159

約数の個数: 32

約数和(自身を含む): 158739840

約数和(自身を除く): 90394760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55117, 110234, 220468, 275585, 440936, 551170, 1102340, 1708627, 2204680, 3417254, 6834508, 8543135, 13669016, 17086270, 34172540, 68345080]

約数ペア:

[(1, 68345080), (2, 34172540), (4, 17086270), (5, 13669016), (8, 8543135), (10, 6834508), (20, 3417254), (31, 2204680), (40, 1708627), (62, 1102340), (124, 551170), (155, 440936), (248, 275585), (310, 220468), (620, 110234), (1240, 55117)]