636792280

素因数分解:

$2^3\times 5^1\times {\mathrm{2287}}^1\times {\mathrm{6961}}^1$

素因数の和:9259

約数の個数: 32

約数和(自身を含む): 1433615040

約数和(自身を除く): 796822760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2287, 4574, 6961, 9148, 11435, 13922, 18296, 22870, 27844, 34805, 45740, 55688, 69610, 91480, 139220, 278440, 15919807, 31839614, 63679228, 79599035, 127358456, 159198070, 318396140, 636792280]

約数ペア:

[(1, 636792280), (2, 318396140), (4, 159198070), (5, 127358456), (8, 79599035), (10, 63679228), (20, 31839614), (40, 15919807), (2287, 278440), (4574, 139220), (6961, 91480), (9148, 69610), (11435, 55688), (13922, 45740), (18296, 34805), (22870, 27844)]