80259140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7529}}^1$

素因数の和:7592

約数の個数: 48

約数和(自身を含む): 185960880

約数和(自身を除く): 105701740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 7529, 10660, 15058, 30116, 37645, 75290, 97877, 150580, 195754, 308689, 391508, 489385, 617378, 978770, 1234756, 1543445, 1957540, 3086890, 4012957, 6173780, 8025914, 16051828, 20064785, 40129570, 80259140]

約数ペア:

[(1, 80259140), (2, 40129570), (4, 20064785), (5, 16051828), (10, 8025914), (13, 6173780), (20, 4012957), (26, 3086890), (41, 1957540), (52, 1543445), (65, 1234756), (82, 978770), (130, 617378), (164, 489385), (205, 391508), (260, 308689), (410, 195754), (533, 150580), (820, 97877), (1066, 75290), (2132, 37645), (2665, 30116), (5330, 15058), (7529, 10660)]