54990980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5813}}^1$

素因数の和:5876

約数の個数: 48

約数和(自身を含む): 128931264

約数和(自身を除く): 73940284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 5813, 9460, 11626, 23252, 29065, 58130, 63943, 116260, 127886, 249959, 255772, 319715, 499918, 639430, 999836, 1249795, 1278860, 2499590, 2749549, 4999180, 5499098, 10998196, 13747745, 27495490, 54990980]

約数ペア:

[(1, 54990980), (2, 27495490), (4, 13747745), (5, 10998196), (10, 5499098), (11, 4999180), (20, 2749549), (22, 2499590), (43, 1278860), (44, 1249795), (55, 999836), (86, 639430), (110, 499918), (172, 319715), (215, 255772), (220, 249959), (430, 127886), (473, 116260), (860, 63943), (946, 58130), (1892, 29065), (2365, 23252), (4730, 11626), (5813, 9460)]