68802680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21773}}^1$

素因数の和:21863

約数の個数: 32

約数和(自身を含む): 156772800

約数和(自身を除く): 87970120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 21773, 43546, 87092, 108865, 174184, 217730, 435460, 870920, 1720067, 3440134, 6880268, 8600335, 13760536, 17200670, 34401340, 68802680]

約数ペア:

[(1, 68802680), (2, 34401340), (4, 17200670), (5, 13760536), (8, 8600335), (10, 6880268), (20, 3440134), (40, 1720067), (79, 870920), (158, 435460), (316, 217730), (395, 174184), (632, 108865), (790, 87092), (1580, 43546), (3160, 21773)]