120422840

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{7151}}^1$

素因数の和:7583

約数の個数: 32

約数和(自身を含む): 271632960

約数和(自身を除く): 151210120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 7151, 8420, 14302, 16840, 28604, 35755, 57208, 71510, 143020, 286040, 3010571, 6021142, 12042284, 15052855, 24084568, 30105710, 60211420, 120422840]

約数ペア:

[(1, 120422840), (2, 60211420), (4, 30105710), (5, 24084568), (8, 15052855), (10, 12042284), (20, 6021142), (40, 3010571), (421, 286040), (842, 143020), (1684, 71510), (2105, 57208), (3368, 35755), (4210, 28604), (7151, 16840), (8420, 14302)]