81286010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36781}}^1$

素因数の和:36818

約数の個数: 32

約数和(自身を含む): 166843152

約数和(自身を除く): 85557142

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 36781, 73562, 183905, 367810, 478153, 625277, 956306, 1250554, 2390765, 3126385, 4781530, 6252770, 8128601, 16257202, 40643005, 81286010]

約数ペア:

[(1, 81286010), (2, 40643005), (5, 16257202), (10, 8128601), (13, 6252770), (17, 4781530), (26, 3126385), (34, 2390765), (65, 1250554), (85, 956306), (130, 625277), (170, 478153), (221, 367810), (442, 183905), (1105, 73562), (2210, 36781)]