12942280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24889}}^1$

素因数の和:24913

約数の個数: 32

約数和(自身を含む): 31361400

約数和(自身を除く): 18419120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24889, 49778, 99556, 124445, 199112, 248890, 323557, 497780, 647114, 995560, 1294228, 1617785, 2588456, 3235570, 6471140, 12942280]

約数ペア:

[(1, 12942280), (2, 6471140), (4, 3235570), (5, 2588456), (8, 1617785), (10, 1294228), (13, 995560), (20, 647114), (26, 497780), (40, 323557), (52, 248890), (65, 199112), (104, 124445), (130, 99556), (260, 49778), (520, 24889)]