65741780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1697}}^1$

素因数の和:1868

約数の個数: 48

約数和(自身を含む): 149763600

約数和(自身を除く): 84021820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1697, 1937, 2980, 3394, 3874, 6788, 7748, 8485, 9685, 16970, 19370, 22061, 33940, 38740, 44122, 88244, 110305, 220610, 252853, 441220, 505706, 1011412, 1264265, 2528530, 3287089, 5057060, 6574178, 13148356, 16435445, 32870890, 65741780]

約数ペア:

[(1, 65741780), (2, 32870890), (4, 16435445), (5, 13148356), (10, 6574178), (13, 5057060), (20, 3287089), (26, 2528530), (52, 1264265), (65, 1011412), (130, 505706), (149, 441220), (260, 252853), (298, 220610), (596, 110305), (745, 88244), (1490, 44122), (1697, 38740), (1937, 33940), (2980, 22061), (3394, 19370), (3874, 16970), (6788, 9685), (7748, 8485)]