121245680

素因数分解:

$2^4\times 5^1\times {\mathrm{1515571}}^1$

素因数の和:1515584

約数の個数: 20

約数和(自身を含む): 281896392

約数和(自身を除く): 160650712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1515571, 3031142, 6062284, 7577855, 12124568, 15155710, 24249136, 30311420, 60622840, 121245680]

約数ペア:

[(1, 121245680), (2, 60622840), (4, 30311420), (5, 24249136), (8, 15155710), (10, 12124568), (16, 7577855), (20, 6062284), (40, 3031142), (80, 1515571)]