12365440

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^2$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 29775330

約数和(自身を除く): 17409890

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1390, 2224, 2780, 4448, 5560, 8896, 11120, 17792, 19321, 22240, 38642, 44480, 77284, 88960, 96605, 154568, 193210, 309136, 386420, 618272, 772840, 1236544, 1545680, 2473088, 3091360, 6182720, 12365440]

約数ペア:

[(1, 12365440), (2, 6182720), (4, 3091360), (5, 2473088), (8, 1545680), (10, 1236544), (16, 772840), (20, 618272), (32, 386420), (40, 309136), (64, 193210), (80, 154568), (128, 96605), (139, 88960), (160, 77284), (278, 44480), (320, 38642), (556, 22240), (640, 19321), (695, 17792), (1112, 11120), (1390, 8896), (2224, 5560), (2780, 4448)]