42123380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8527}}^1$

素因数の和:8568

約数の個数: 48

約数和(自身を含む): 100289280

約数和(自身を除く): 58165900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 8527, 17054, 34108, 42635, 85270, 110851, 162013, 170540, 221702, 324026, 443404, 554255, 648052, 810065, 1108510, 1620130, 2106169, 2217020, 3240260, 4212338, 8424676, 10530845, 21061690, 42123380]

約数ペア:

[(1, 42123380), (2, 21061690), (4, 10530845), (5, 8424676), (10, 4212338), (13, 3240260), (19, 2217020), (20, 2106169), (26, 1620130), (38, 1108510), (52, 810065), (65, 648052), (76, 554255), (95, 443404), (130, 324026), (190, 221702), (247, 170540), (260, 162013), (380, 110851), (494, 85270), (988, 42635), (1235, 34108), (2470, 17054), (4940, 8527)]