55720730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1383

約数の個数: 64

約数和(自身を含む): 120476160

約数和(自身を除く): 64755430

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1327, 1615, 2210, 2470, 2654, 3230, 4199, 6635, 8398, 13270, 17251, 20995, 22559, 25213, 34502, 41990, 45118, 50426, 86255, 112795, 126065, 172510, 225590, 252130, 293267, 327769, 428621, 586534, 655538, 857242, 1466335, 1638845, 2143105, 2932670, 3277690, 4286210, 5572073, 11144146, 27860365, 55720730]

約数ペア:

[(1, 55720730), (2, 27860365), (5, 11144146), (10, 5572073), (13, 4286210), (17, 3277690), (19, 2932670), (26, 2143105), (34, 1638845), (38, 1466335), (65, 857242), (85, 655538), (95, 586534), (130, 428621), (170, 327769), (190, 293267), (221, 252130), (247, 225590), (323, 172510), (442, 126065), (494, 112795), (646, 86255), (1105, 50426), (1235, 45118), (1327, 41990), (1615, 34502), (2210, 25213), (2470, 22559), (2654, 20995), (3230, 17251), (4199, 13270), (6635, 8398)]