69280520

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1667}}^1$

素因数の和:2717

約数の個数: 32

約数和(自身を含む): 156124800

約数和(自身を除く): 86844280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 1667, 2078, 3334, 4156, 5195, 6668, 8312, 8335, 10390, 13336, 16670, 20780, 33340, 41560, 66680, 1732013, 3464026, 6928052, 8660065, 13856104, 17320130, 34640260, 69280520]

約数ペア:

[(1, 69280520), (2, 34640260), (4, 17320130), (5, 13856104), (8, 8660065), (10, 6928052), (20, 3464026), (40, 1732013), (1039, 66680), (1667, 41560), (2078, 33340), (3334, 20780), (4156, 16670), (5195, 13336), (6668, 10390), (8312, 8335)]