28013660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 32950180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 269, 410, 508, 538, 635, 820, 1076, 1270, 1345, 2540, 2690, 5207, 5380, 10414, 11029, 20828, 22058, 26035, 34163, 44116, 52070, 55145, 68326, 104140, 110290, 136652, 170815, 220580, 341630, 683260, 1400683, 2801366, 5602732, 7003415, 14006830, 28013660]

約数ペア:

[(1, 28013660), (2, 14006830), (4, 7003415), (5, 5602732), (10, 2801366), (20, 1400683), (41, 683260), (82, 341630), (127, 220580), (164, 170815), (205, 136652), (254, 110290), (269, 104140), (410, 68326), (508, 55145), (538, 52070), (635, 44116), (820, 34163), (1076, 26035), (1270, 22058), (1345, 20828), (2540, 11029), (2690, 10414), (5207, 5380)]