51963340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18169}}^1$

素因数の和:18202

約数の個数: 48

約数和(自身を含む): 128207520

約数和(自身を除く): 76244180

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 18169, 36338, 72676, 90845, 181690, 199859, 236197, 363380, 399718, 472394, 799436, 944788, 999295, 1180985, 1998590, 2361970, 2598167, 3997180, 4723940, 5196334, 10392668, 12990835, 25981670, 51963340]

約数ペア:

[(1, 51963340), (2, 25981670), (4, 12990835), (5, 10392668), (10, 5196334), (11, 4723940), (13, 3997180), (20, 2598167), (22, 2361970), (26, 1998590), (44, 1180985), (52, 999295), (55, 944788), (65, 799436), (110, 472394), (130, 399718), (143, 363380), (220, 236197), (260, 199859), (286, 181690), (572, 90845), (715, 72676), (1430, 36338), (2860, 18169)]