55341080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 128217600

約数和(自身を除く): 72876520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 158, 166, 211, 316, 332, 395, 415, 422, 632, 664, 790, 830, 844, 1055, 1580, 1660, 1688, 2110, 3160, 3320, 4220, 6557, 8440, 13114, 16669, 17513, 26228, 32785, 33338, 35026, 52456, 65570, 66676, 70052, 83345, 87565, 131140, 133352, 140104, 166690, 175130, 262280, 333380, 350260, 666760, 700520, 1383527, 2767054, 5534108, 6917635, 11068216, 13835270, 27670540, 55341080]

約数ペア:

[(1, 55341080), (2, 27670540), (4, 13835270), (5, 11068216), (8, 6917635), (10, 5534108), (20, 2767054), (40, 1383527), (79, 700520), (83, 666760), (158, 350260), (166, 333380), (211, 262280), (316, 175130), (332, 166690), (395, 140104), (415, 133352), (422, 131140), (632, 87565), (664, 83345), (790, 70052), (830, 66676), (844, 65570), (1055, 52456), (1580, 35026), (1660, 33338), (1688, 32785), (2110, 26228), (3160, 17513), (3320, 16669), (4220, 13114), (6557, 8440)]