40338740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1373}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 92101968

約数和(自身を除く): 51763228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1373, 1469, 2260, 2746, 2938, 5492, 5876, 6865, 7345, 13730, 14690, 17849, 27460, 29380, 35698, 71396, 89245, 155149, 178490, 310298, 356980, 620596, 775745, 1551490, 2016937, 3102980, 4033874, 8067748, 10084685, 20169370, 40338740]

約数ペア:

[(1, 40338740), (2, 20169370), (4, 10084685), (5, 8067748), (10, 4033874), (13, 3102980), (20, 2016937), (26, 1551490), (52, 775745), (65, 620596), (113, 356980), (130, 310298), (226, 178490), (260, 155149), (452, 89245), (565, 71396), (1130, 35698), (1373, 29380), (1469, 27460), (2260, 17849), (2746, 14690), (2938, 13730), (5492, 7345), (5876, 6865)]