26421760

素因数分解:

$2^9\times 5^1\times {\mathrm{10321}}^1$

素因数の和:10344

約数の個数: 40

約数和(自身を含む): 63356436

約数和(自身を除く): 36934676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 10321, 20642, 41284, 51605, 82568, 103210, 165136, 206420, 330272, 412840, 660544, 825680, 1321088, 1651360, 2642176, 3302720, 5284352, 6605440, 13210880, 26421760]

約数ペア:

[(1, 26421760), (2, 13210880), (4, 6605440), (5, 5284352), (8, 3302720), (10, 2642176), (16, 1651360), (20, 1321088), (32, 825680), (40, 660544), (64, 412840), (80, 330272), (128, 206420), (160, 165136), (256, 103210), (320, 82568), (512, 51605), (640, 41284), (1280, 20642), (2560, 10321)]