220172560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{119659}}^1$

素因数の和:119695

約数の個数: 40

約数和(自身を含む): 534162240

約数和(自身を除く): 313989680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 119659, 239318, 478636, 598295, 957272, 1196590, 1914544, 2393180, 2752157, 4786360, 5504314, 9572720, 11008628, 13760785, 22017256, 27521570, 44034512, 55043140, 110086280, 220172560]

約数ペア:

[(1, 220172560), (2, 110086280), (4, 55043140), (5, 44034512), (8, 27521570), (10, 22017256), (16, 13760785), (20, 11008628), (23, 9572720), (40, 5504314), (46, 4786360), (80, 2752157), (92, 2393180), (115, 1914544), (184, 1196590), (230, 957272), (368, 598295), (460, 478636), (920, 239318), (1840, 119659)]