7955720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1931}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 18083520

約数和(自身を除く): 10127800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1931, 2060, 3862, 4120, 7724, 9655, 15448, 19310, 38620, 77240, 198893, 397786, 795572, 994465, 1591144, 1988930, 3977860, 7955720]

約数ペア:

[(1, 7955720), (2, 3977860), (4, 1988930), (5, 1591144), (8, 994465), (10, 795572), (20, 397786), (40, 198893), (103, 77240), (206, 38620), (412, 19310), (515, 15448), (824, 9655), (1030, 7724), (1931, 4120), (2060, 3862)]