7782680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1889}}^1$

素因数の和:2003

約数の個数: 32

約数和(自身を含む): 17690400

約数和(自身を除く): 9907720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1889, 2060, 3778, 4120, 7556, 9445, 15112, 18890, 37780, 75560, 194567, 389134, 778268, 972835, 1556536, 1945670, 3891340, 7782680]

約数ペア:

[(1, 7782680), (2, 3891340), (4, 1945670), (5, 1556536), (8, 972835), (10, 778268), (20, 389134), (40, 194567), (103, 75560), (206, 37780), (412, 18890), (515, 15112), (824, 9445), (1030, 7556), (1889, 4120), (2060, 3778)]