11311280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4561}}^1$

素因数の和:4605

約数の個数: 40

約数和(自身を含む): 27153024

約数和(自身を除く): 15841744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4561, 9122, 18244, 22805, 36488, 45610, 72976, 91220, 141391, 182440, 282782, 364880, 565564, 706955, 1131128, 1413910, 2262256, 2827820, 5655640, 11311280]

約数ペア:

[(1, 11311280), (2, 5655640), (4, 2827820), (5, 2262256), (8, 1413910), (10, 1131128), (16, 706955), (20, 565564), (31, 364880), (40, 282782), (62, 182440), (80, 141391), (124, 91220), (155, 72976), (248, 45610), (310, 36488), (496, 22805), (620, 18244), (1240, 9122), (2480, 4561)]