80842990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{953}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 154548000

約数和(自身を除く): 73705010

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 499, 953, 998, 1906, 2495, 4765, 4990, 8483, 9530, 16201, 16966, 32402, 42415, 81005, 84830, 162010, 475547, 951094, 2377735, 4755470, 8084299, 16168598, 40421495, 80842990]

約数ペア:

[(1, 80842990), (2, 40421495), (5, 16168598), (10, 8084299), (17, 4755470), (34, 2377735), (85, 951094), (170, 475547), (499, 162010), (953, 84830), (998, 81005), (1906, 42415), (2495, 32402), (4765, 16966), (4990, 16201), (8483, 9530)]