68610440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55331}}^1$

素因数の和:55373

約数の個数: 32

約数和(自身を含む): 159356160

約数和(自身を除く): 90745720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55331, 110662, 221324, 276655, 442648, 553310, 1106620, 1715261, 2213240, 3430522, 6861044, 8576305, 13722088, 17152610, 34305220, 68610440]

約数ペア:

[(1, 68610440), (2, 34305220), (4, 17152610), (5, 13722088), (8, 8576305), (10, 6861044), (20, 3430522), (31, 2213240), (40, 1715261), (62, 1106620), (124, 553310), (155, 442648), (248, 276655), (310, 221324), (620, 110662), (1240, 55331)]