521006060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1\times {\mathrm{887}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 1122460416

約数和(自身を除く): 601454356

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 683, 860, 887, 1366, 1774, 2732, 3415, 3548, 4435, 6830, 8870, 13660, 17740, 29369, 38141, 58738, 76282, 117476, 146845, 152564, 190705, 293690, 381410, 587380, 605821, 762820, 1211642, 2423284, 3029105, 6058210, 12116420, 26050303, 52100606, 104201212, 130251515, 260503030, 521006060]

約数ペア:

[(1, 521006060), (2, 260503030), (4, 130251515), (5, 104201212), (10, 52100606), (20, 26050303), (43, 12116420), (86, 6058210), (172, 3029105), (215, 2423284), (430, 1211642), (683, 762820), (860, 605821), (887, 587380), (1366, 381410), (1774, 293690), (2732, 190705), (3415, 152564), (3548, 146845), (4435, 117476), (6830, 76282), (8870, 58738), (13660, 38141), (17740, 29369)]