26181320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 64843200

約数和(自身を除く): 38661880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 379, 440, 628, 758, 785, 1256, 1516, 1570, 1727, 1895, 3032, 3140, 3454, 3790, 4169, 6280, 6908, 7580, 8338, 8635, 13816, 15160, 16676, 17270, 20845, 33352, 34540, 41690, 59503, 69080, 83380, 119006, 166760, 238012, 297515, 476024, 595030, 654533, 1190060, 1309066, 2380120, 2618132, 3272665, 5236264, 6545330, 13090660, 26181320]

約数ペア:

[(1, 26181320), (2, 13090660), (4, 6545330), (5, 5236264), (8, 3272665), (10, 2618132), (11, 2380120), (20, 1309066), (22, 1190060), (40, 654533), (44, 595030), (55, 476024), (88, 297515), (110, 238012), (157, 166760), (220, 119006), (314, 83380), (379, 69080), (440, 59503), (628, 41690), (758, 34540), (785, 33352), (1256, 20845), (1516, 17270), (1570, 16676), (1727, 15160), (1895, 13816), (3032, 8635), (3140, 8338), (3454, 7580), (3790, 6908), (4169, 6280)]