80994460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1129}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 181107360

約数和(自身を除く): 100112900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 211, 340, 422, 844, 1055, 1129, 2110, 2258, 3587, 4220, 4516, 5645, 7174, 11290, 14348, 17935, 19193, 22580, 35870, 38386, 71740, 76772, 95965, 191930, 238219, 383860, 476438, 952876, 1191095, 2382190, 4049723, 4764380, 8099446, 16198892, 20248615, 40497230, 80994460]

約数ペア:

[(1, 80994460), (2, 40497230), (4, 20248615), (5, 16198892), (10, 8099446), (17, 4764380), (20, 4049723), (34, 2382190), (68, 1191095), (85, 952876), (170, 476438), (211, 383860), (340, 238219), (422, 191930), (844, 95965), (1055, 76772), (1129, 71740), (2110, 38386), (2258, 35870), (3587, 22580), (4220, 19193), (4516, 17935), (5645, 14348), (7174, 11290)]