72941980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{12979}}^1$

素因数の和:13269

約数の個数: 24

約数和(自身を含む): 153735120

約数和(自身を除く): 80793140

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 12979, 25958, 51916, 64895, 129790, 259580, 3647099, 7294198, 14588396, 18235495, 36470990, 72941980]

約数ペア:

[(1, 72941980), (2, 36470990), (4, 18235495), (5, 14588396), (10, 7294198), (20, 3647099), (281, 259580), (562, 129790), (1124, 64895), (1405, 51916), (2810, 25958), (5620, 12979)]