53428520

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{3581}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 120570120

約数和(自身を除く): 67141600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3581, 3730, 7162, 7460, 14324, 14920, 17905, 28648, 35810, 71620, 143240, 1335713, 2671426, 5342852, 6678565, 10685704, 13357130, 26714260, 53428520]

約数ペア:

[(1, 53428520), (2, 26714260), (4, 13357130), (5, 10685704), (8, 6678565), (10, 5342852), (20, 2671426), (40, 1335713), (373, 143240), (746, 71620), (1492, 35810), (1865, 28648), (2984, 17905), (3581, 14920), (3730, 14324), (7162, 7460)]