11428040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21977}}^1$

素因数の和:22001

約数の個数: 32

約数和(自身を含む): 27692280

約数和(自身を除く): 16264240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 21977, 43954, 87908, 109885, 175816, 219770, 285701, 439540, 571402, 879080, 1142804, 1428505, 2285608, 2857010, 5714020, 11428040]

約数ペア:

[(1, 11428040), (2, 5714020), (4, 2857010), (5, 2285608), (8, 1428505), (10, 1142804), (13, 879080), (20, 571402), (26, 439540), (40, 285701), (52, 219770), (65, 175816), (104, 109885), (130, 87908), (260, 43954), (520, 21977)]