1391360

素因数分解:

$2^8\times 5^1\times {\mathrm{1087}}^1$

素因数の和:1108

約数の個数: 36

約数和(自身を含む): 3335808

約数和(自身を除く): 1944448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1087, 1280, 2174, 4348, 5435, 8696, 10870, 17392, 21740, 34784, 43480, 69568, 86960, 139136, 173920, 278272, 347840, 695680, 1391360]

約数ペア:

[(1, 1391360), (2, 695680), (4, 347840), (5, 278272), (8, 173920), (10, 139136), (16, 86960), (20, 69568), (32, 43480), (40, 34784), (64, 21740), (80, 17392), (128, 10870), (160, 8696), (256, 5435), (320, 4348), (640, 2174), (1087, 1280)]