506545520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{853}}^1$

素因数の和:1450

約数の個数: 80

約数和(自身を含む): 1272022752

約数和(自身を除く): 765477232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 571, 853, 1040, 1142, 1706, 2284, 2855, 3412, 4265, 4568, 5710, 6824, 7423, 8530, 9136, 11089, 11420, 13648, 14846, 17060, 22178, 22840, 29692, 34120, 37115, 44356, 45680, 55445, 59384, 68240, 74230, 88712, 110890, 118768, 148460, 177424, 221780, 296920, 443560, 487063, 593840, 887120, 974126, 1948252, 2435315, 3896504, 4870630, 6331819, 7793008, 9741260, 12663638, 19482520, 25327276, 31659095, 38965040, 50654552, 63318190, 101309104, 126636380, 253272760, 506545520]

約数ペア:

[(1, 506545520), (2, 253272760), (4, 126636380), (5, 101309104), (8, 63318190), (10, 50654552), (13, 38965040), (16, 31659095), (20, 25327276), (26, 19482520), (40, 12663638), (52, 9741260), (65, 7793008), (80, 6331819), (104, 4870630), (130, 3896504), (208, 2435315), (260, 1948252), (520, 974126), (571, 887120), (853, 593840), (1040, 487063), (1142, 443560), (1706, 296920), (2284, 221780), (2855, 177424), (3412, 148460), (4265, 118768), (4568, 110890), (5710, 88712), (6824, 74230), (7423, 68240), (8530, 59384), (9136, 55445), (11089, 45680), (11420, 44356), (13648, 37115), (14846, 34120), (17060, 29692), (22178, 22840)]