83927980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1279}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 187729920

約数和(自身を除く): 103801940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 772, 965, 1279, 1930, 2558, 3281, 3860, 5116, 6395, 6562, 12790, 13124, 16405, 21743, 25580, 32810, 43486, 65620, 86972, 108715, 217430, 246847, 434860, 493694, 987388, 1234235, 2468470, 4196399, 4936940, 8392798, 16785596, 20981995, 41963990, 83927980]

約数ペア:

[(1, 83927980), (2, 41963990), (4, 20981995), (5, 16785596), (10, 8392798), (17, 4936940), (20, 4196399), (34, 2468470), (68, 1234235), (85, 987388), (170, 493694), (193, 434860), (340, 246847), (386, 217430), (772, 108715), (965, 86972), (1279, 65620), (1930, 43486), (2558, 32810), (3281, 25580), (3860, 21743), (5116, 16405), (6395, 13124), (6562, 12790)]