55278040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13417}}^1$

素因数の和:13531

約数の個数: 32

約数和(自身を含む): 125592480

約数和(自身を除く): 70314440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 13417, 26834, 53668, 67085, 107336, 134170, 268340, 536680, 1381951, 2763902, 5527804, 6909755, 11055608, 13819510, 27639020, 55278040]

約数ペア:

[(1, 55278040), (2, 27639020), (4, 13819510), (5, 11055608), (8, 6909755), (10, 5527804), (20, 2763902), (40, 1381951), (103, 536680), (206, 268340), (412, 134170), (515, 107336), (824, 67085), (1030, 53668), (2060, 26834), (4120, 13417)]