11131280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2281}}^1$

素因数の和:2355

約数の個数: 40

約数和(自身を含む): 26316024

約数和(自身を除く): 15184744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2281, 2440, 4562, 4880, 9124, 11405, 18248, 22810, 36496, 45620, 91240, 139141, 182480, 278282, 556564, 695705, 1113128, 1391410, 2226256, 2782820, 5565640, 11131280]

約数ペア:

[(1, 11131280), (2, 5565640), (4, 2782820), (5, 2226256), (8, 1391410), (10, 1113128), (16, 695705), (20, 556564), (40, 278282), (61, 182480), (80, 139141), (122, 91240), (244, 45620), (305, 36496), (488, 22810), (610, 18248), (976, 11405), (1220, 9124), (2281, 4880), (2440, 4562)]