54638980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2459}}^1$

素因数の和:2580

約数の個数: 48

約数和(自身を含む): 126463680

約数和(自身を除く): 71824700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 2459, 4444, 4918, 5555, 9836, 11110, 12295, 22220, 24590, 27049, 49180, 54098, 108196, 135245, 248359, 270490, 496718, 540980, 993436, 1241795, 2483590, 2731949, 4967180, 5463898, 10927796, 13659745, 27319490, 54638980]

約数ペア:

[(1, 54638980), (2, 27319490), (4, 13659745), (5, 10927796), (10, 5463898), (11, 4967180), (20, 2731949), (22, 2483590), (44, 1241795), (55, 993436), (101, 540980), (110, 496718), (202, 270490), (220, 248359), (404, 135245), (505, 108196), (1010, 54098), (1111, 49180), (2020, 27049), (2222, 24590), (2459, 22220), (4444, 12295), (4918, 11110), (5555, 9836)]