80685740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{773}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 180224352

約数和(自身を除く): 99538612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 307, 340, 614, 773, 1228, 1535, 1546, 3070, 3092, 3865, 5219, 6140, 7730, 10438, 13141, 15460, 20876, 26095, 26282, 52190, 52564, 65705, 104380, 131410, 237311, 262820, 474622, 949244, 1186555, 2373110, 4034287, 4746220, 8068574, 16137148, 20171435, 40342870, 80685740]

約数ペア:

[(1, 80685740), (2, 40342870), (4, 20171435), (5, 16137148), (10, 8068574), (17, 4746220), (20, 4034287), (34, 2373110), (68, 1186555), (85, 949244), (170, 474622), (307, 262820), (340, 237311), (614, 131410), (773, 104380), (1228, 65705), (1535, 52564), (1546, 52190), (3070, 26282), (3092, 26095), (3865, 20876), (5219, 15460), (6140, 13141), (7730, 10438)]