90210640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 227985408

約数和(自身を除く): 137774768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 683, 1016, 1040, 1270, 1366, 1651, 2032, 2540, 2732, 3302, 3415, 5080, 5464, 6604, 6830, 8255, 8879, 10160, 10928, 13208, 13660, 16510, 17758, 26416, 27320, 33020, 35516, 44395, 54640, 66040, 71032, 86741, 88790, 132080, 142064, 173482, 177580, 346964, 355160, 433705, 693928, 710320, 867410, 1127633, 1387856, 1734820, 2255266, 3469640, 4510532, 5638165, 6939280, 9021064, 11276330, 18042128, 22552660, 45105320, 90210640]

約数ペア:

[(1, 90210640), (2, 45105320), (4, 22552660), (5, 18042128), (8, 11276330), (10, 9021064), (13, 6939280), (16, 5638165), (20, 4510532), (26, 3469640), (40, 2255266), (52, 1734820), (65, 1387856), (80, 1127633), (104, 867410), (127, 710320), (130, 693928), (208, 433705), (254, 355160), (260, 346964), (508, 177580), (520, 173482), (635, 142064), (683, 132080), (1016, 88790), (1040, 86741), (1270, 71032), (1366, 66040), (1651, 54640), (2032, 44395), (2540, 35516), (2732, 33020), (3302, 27320), (3415, 26416), (5080, 17758), (5464, 16510), (6604, 13660), (6830, 13208), (8255, 10928), (8879, 10160)]