65204890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 119496960

約数和(自身を除く): 54292070

約数列:

[1, 2, 5, 10, 109, 163, 218, 326, 367, 545, 734, 815, 1090, 1630, 1835, 3670, 17767, 35534, 40003, 59821, 80006, 88835, 119642, 177670, 200015, 299105, 400030, 598210, 6520489, 13040978, 32602445, 65204890]

約数ペア:

[(1, 65204890), (2, 32602445), (5, 13040978), (10, 6520489), (109, 598210), (163, 400030), (218, 299105), (326, 200015), (367, 177670), (545, 119642), (734, 88835), (815, 80006), (1090, 59821), (1630, 40003), (1835, 35534), (3670, 17767)]