1280821630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1549}}^1\times {\mathrm{7517}}^1$

素因数の和:9084

約数の個数: 32

約数和(自身を含む): 2517026400

約数和(自身を除く): 1236204770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1549, 3098, 7517, 7745, 15034, 15490, 17039, 34078, 37585, 75170, 82687, 85195, 165374, 170390, 413435, 826870, 11643833, 23287666, 58219165, 116438330, 128082163, 256164326, 640410815, 1280821630]

約数ペア:

[(1, 1280821630), (2, 640410815), (5, 256164326), (10, 128082163), (11, 116438330), (22, 58219165), (55, 23287666), (110, 11643833), (1549, 826870), (3098, 413435), (7517, 170390), (7745, 165374), (15034, 85195), (15490, 82687), (17039, 75170), (34078, 37585)]