56627140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 124513200

約数和(自身を除く): 67886060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 890, 1097, 1780, 2194, 2581, 4388, 5162, 5485, 10324, 10970, 12905, 21940, 25810, 31813, 51620, 63626, 97633, 127252, 159065, 195266, 318130, 390532, 488165, 636260, 976330, 1952660, 2831357, 5662714, 11325428, 14156785, 28313570, 56627140]

約数ペア:

[(1, 56627140), (2, 28313570), (4, 14156785), (5, 11325428), (10, 5662714), (20, 2831357), (29, 1952660), (58, 976330), (89, 636260), (116, 488165), (145, 390532), (178, 318130), (290, 195266), (356, 159065), (445, 127252), (580, 97633), (890, 63626), (1097, 51620), (1780, 31813), (2194, 25810), (2581, 21940), (4388, 12905), (5162, 10970), (5485, 10324)]