80685536

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2187

約数の個数: 48

約数和(自身を含む): 170644320

約数和(自身を除く): 89958784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 544, 568, 1136, 1207, 2089, 2272, 2414, 4178, 4828, 8356, 9656, 16712, 19312, 33424, 35513, 38624, 66848, 71026, 142052, 148319, 284104, 296638, 568208, 593276, 1136416, 1186552, 2373104, 2521423, 4746208, 5042846, 10085692, 20171384, 40342768, 80685536]

約数ペア:

[(1, 80685536), (2, 40342768), (4, 20171384), (8, 10085692), (16, 5042846), (17, 4746208), (32, 2521423), (34, 2373104), (68, 1186552), (71, 1136416), (136, 593276), (142, 568208), (272, 296638), (284, 284104), (544, 148319), (568, 142052), (1136, 71026), (1207, 66848), (2089, 38624), (2272, 35513), (2414, 33424), (4178, 19312), (4828, 16712), (8356, 9656)]