81083380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13469}}^1$

素因数の和:13528

約数の個数: 48

約数和(自身を含む): 199140480

約数和(自身を除く): 118057100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 13469, 26938, 53876, 67345, 94283, 134690, 188566, 269380, 377132, 471415, 579167, 942830, 1158334, 1885660, 2316668, 2895835, 4054169, 5791670, 8108338, 11583340, 16216676, 20270845, 40541690, 81083380]

約数ペア:

[(1, 81083380), (2, 40541690), (4, 20270845), (5, 16216676), (7, 11583340), (10, 8108338), (14, 5791670), (20, 4054169), (28, 2895835), (35, 2316668), (43, 1885660), (70, 1158334), (86, 942830), (140, 579167), (172, 471415), (215, 377132), (301, 269380), (430, 188566), (602, 134690), (860, 94283), (1204, 67345), (1505, 53876), (3010, 26938), (6020, 13469)]