20121309130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{27803}}^1$

素因数の和:28135

約数の個数: 64

約数和(自身を含む): 41198855040

約数和(自身を除く): 21077545910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 293, 494, 586, 1235, 1465, 2470, 2930, 3809, 5567, 7618, 11134, 19045, 27803, 27835, 38090, 55606, 55670, 72371, 139015, 144742, 278030, 361439, 361855, 528257, 722878, 723710, 1056514, 1807195, 2641285, 3614390, 5282570, 6867341, 8146279, 13734682, 16292558, 34336705, 40731395, 68673410, 81462790, 105901627, 154779301, 211803254, 309558602, 529508135, 773896505, 1059016270, 1547793010, 2012130913, 4024261826, 10060654565, 20121309130]

約数ペア:

[(1, 20121309130), (2, 10060654565), (5, 4024261826), (10, 2012130913), (13, 1547793010), (19, 1059016270), (26, 773896505), (38, 529508135), (65, 309558602), (95, 211803254), (130, 154779301), (190, 105901627), (247, 81462790), (293, 68673410), (494, 40731395), (586, 34336705), (1235, 16292558), (1465, 13734682), (2470, 8146279), (2930, 6867341), (3809, 5282570), (5567, 3614390), (7618, 2641285), (11134, 1807195), (19045, 1056514), (27803, 723710), (27835, 722878), (38090, 528257), (55606, 361855), (55670, 361439), (72371, 278030), (139015, 144742)]