80175880

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8317}}^1$

素因数の和:8569

約数の個数: 32

約数和(自身を含む): 181166040

約数和(自身を除く): 100990160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 8317, 9640, 16634, 33268, 41585, 66536, 83170, 166340, 332680, 2004397, 4008794, 8017588, 10021985, 16035176, 20043970, 40087940, 80175880]

約数ペア:

[(1, 80175880), (2, 40087940), (4, 20043970), (5, 16035176), (8, 10021985), (10, 8017588), (20, 4008794), (40, 2004397), (241, 332680), (482, 166340), (964, 83170), (1205, 66536), (1928, 41585), (2410, 33268), (4820, 16634), (8317, 9640)]