51483640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 125667360

約数和(自身を除く): 74183720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 362, 520, 547, 724, 905, 1094, 1448, 1810, 2188, 2353, 2735, 3620, 4376, 4706, 5470, 7111, 7240, 9412, 10940, 11765, 14222, 18824, 21880, 23530, 28444, 35555, 47060, 56888, 71110, 94120, 99007, 142220, 198014, 284440, 396028, 495035, 792056, 990070, 1287091, 1980140, 2574182, 3960280, 5148364, 6435455, 10296728, 12870910, 25741820, 51483640]

約数ペア:

[(1, 51483640), (2, 25741820), (4, 12870910), (5, 10296728), (8, 6435455), (10, 5148364), (13, 3960280), (20, 2574182), (26, 1980140), (40, 1287091), (52, 990070), (65, 792056), (104, 495035), (130, 396028), (181, 284440), (260, 198014), (362, 142220), (520, 99007), (547, 94120), (724, 71110), (905, 56888), (1094, 47060), (1448, 35555), (1810, 28444), (2188, 23530), (2353, 21880), (2735, 18824), (3620, 14222), (4376, 11765), (4706, 10940), (5470, 9412), (7111, 7240)]