81770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 32

約数和(自身を含む): 172368

約数和(自身を除く): 90598

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 37, 65, 74, 85, 130, 170, 185, 221, 370, 442, 481, 629, 962, 1105, 1258, 2210, 2405, 3145, 4810, 6290, 8177, 16354, 40885, 81770]

約数ペア:

[(1, 81770), (2, 40885), (5, 16354), (10, 8177), (13, 6290), (17, 4810), (26, 3145), (34, 2405), (37, 2210), (65, 1258), (74, 1105), (85, 962), (130, 629), (170, 481), (185, 442), (221, 370)]