72292870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1979}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 140706720

約数和(自身を除く): 68413850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 1405, 1979, 2810, 3653, 3958, 7306, 9895, 18265, 19790, 25727, 36530, 51454, 128635, 257270, 556099, 1112198, 2780495, 5560990, 7229287, 14458574, 36146435, 72292870]

約数ペア:

[(1, 72292870), (2, 36146435), (5, 14458574), (10, 7229287), (13, 5560990), (26, 2780495), (65, 1112198), (130, 556099), (281, 257270), (562, 128635), (1405, 51454), (1979, 36530), (2810, 25727), (3653, 19790), (3958, 18265), (7306, 9895)]