80995820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{238223}}^1$

素因数の和:238249

約数の個数: 24

約数和(自身を含む): 180097344

約数和(自身を除く): 99101524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 238223, 476446, 952892, 1191115, 2382230, 4049791, 4764460, 8099582, 16199164, 20248955, 40497910, 80995820]

約数ペア:

[(1, 80995820), (2, 40497910), (4, 20248955), (5, 16199164), (10, 8099582), (17, 4764460), (20, 4049791), (34, 2382230), (68, 1191115), (85, 952892), (170, 476446), (340, 238223)]