81702340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5861}}^1$

素因数の和:5928

約数の個数: 48

約数和(自身を含む): 186130224

約数和(自身を除く): 104427884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 5861, 6970, 11722, 13940, 23444, 29305, 58610, 99637, 117220, 199274, 240301, 398548, 480602, 498185, 961204, 996370, 1201505, 1992740, 2403010, 4085117, 4806020, 8170234, 16340468, 20425585, 40851170, 81702340]

約数ペア:

[(1, 81702340), (2, 40851170), (4, 20425585), (5, 16340468), (10, 8170234), (17, 4806020), (20, 4085117), (34, 2403010), (41, 1992740), (68, 1201505), (82, 996370), (85, 961204), (164, 498185), (170, 480602), (205, 398548), (340, 240301), (410, 199274), (697, 117220), (820, 99637), (1394, 58610), (2788, 29305), (3485, 23444), (5861, 13940), (6970, 11722)]