26329640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 61378560

約数和(自身を除く): 35048920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 127, 142, 146, 254, 284, 292, 355, 365, 508, 568, 584, 635, 710, 730, 1016, 1270, 1420, 1460, 2540, 2840, 2920, 5080, 5183, 9017, 9271, 10366, 18034, 18542, 20732, 25915, 36068, 37084, 41464, 45085, 46355, 51830, 72136, 74168, 90170, 92710, 103660, 180340, 185420, 207320, 360680, 370840, 658241, 1316482, 2632964, 3291205, 5265928, 6582410, 13164820, 26329640]

約数ペア:

[(1, 26329640), (2, 13164820), (4, 6582410), (5, 5265928), (8, 3291205), (10, 2632964), (20, 1316482), (40, 658241), (71, 370840), (73, 360680), (127, 207320), (142, 185420), (146, 180340), (254, 103660), (284, 92710), (292, 90170), (355, 74168), (365, 72136), (508, 51830), (568, 46355), (584, 45085), (635, 41464), (710, 37084), (730, 36068), (1016, 25915), (1270, 20732), (1420, 18542), (1460, 18034), (2540, 10366), (2840, 9271), (2920, 9017), (5080, 5183)]