80732660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{647}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 180278784

約数和(自身を除く): 99546124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 367, 647, 734, 1294, 1468, 1835, 2588, 3235, 3670, 6239, 6470, 7340, 10999, 12478, 12940, 21998, 24956, 31195, 43996, 54995, 62390, 109990, 124780, 219980, 237449, 474898, 949796, 1187245, 2374490, 4036633, 4748980, 8073266, 16146532, 20183165, 40366330, 80732660]

約数ペア:

[(1, 80732660), (2, 40366330), (4, 20183165), (5, 16146532), (10, 8073266), (17, 4748980), (20, 4036633), (34, 2374490), (68, 1187245), (85, 949796), (170, 474898), (340, 237449), (367, 219980), (647, 124780), (734, 109990), (1294, 62390), (1468, 54995), (1835, 43996), (2588, 31195), (3235, 24956), (3670, 21998), (6239, 12940), (6470, 12478), (7340, 10999)]