3967480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 9953280

約数和(自身を除く): 5985800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 127, 142, 220, 254, 284, 355, 440, 508, 568, 635, 710, 781, 1016, 1270, 1397, 1420, 1562, 2540, 2794, 2840, 3124, 3905, 5080, 5588, 6248, 6985, 7810, 9017, 11176, 13970, 15620, 18034, 27940, 31240, 36068, 45085, 55880, 72136, 90170, 99187, 180340, 198374, 360680, 396748, 495935, 793496, 991870, 1983740, 3967480]

約数ペア:

[(1, 3967480), (2, 1983740), (4, 991870), (5, 793496), (8, 495935), (10, 396748), (11, 360680), (20, 198374), (22, 180340), (40, 99187), (44, 90170), (55, 72136), (71, 55880), (88, 45085), (110, 36068), (127, 31240), (142, 27940), (220, 18034), (254, 15620), (284, 13970), (355, 11176), (440, 9017), (508, 7810), (568, 6985), (635, 6248), (710, 5588), (781, 5080), (1016, 3905), (1270, 3124), (1397, 2840), (1420, 2794), (1562, 2540)]