12896780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49603}}^1$

素因数の和:49625

約数の個数: 24

約数和(自身を含む): 29167152

約数和(自身を除く): 16270372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49603, 99206, 198412, 248015, 496030, 644839, 992060, 1289678, 2579356, 3224195, 6448390, 12896780]

約数ペア:

[(1, 12896780), (2, 6448390), (4, 3224195), (5, 2579356), (10, 1289678), (13, 992060), (20, 644839), (26, 496030), (52, 248015), (65, 198412), (130, 99206), (260, 49603)]