51617800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19853}}^1$

素因数の和:19882

約数の個数: 48

約数和(自身を含む): 129249540

約数和(自身を除く): 77631740

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 19853, 39706, 79412, 99265, 158824, 198530, 258089, 397060, 496325, 516178, 794120, 992650, 1032356, 1290445, 1985300, 2064712, 2580890, 3970600, 5161780, 6452225, 10323560, 12904450, 25808900, 51617800]

約数ペア:

[(1, 51617800), (2, 25808900), (4, 12904450), (5, 10323560), (8, 6452225), (10, 5161780), (13, 3970600), (20, 2580890), (25, 2064712), (26, 1985300), (40, 1290445), (50, 1032356), (52, 992650), (65, 794120), (100, 516178), (104, 496325), (130, 397060), (200, 258089), (260, 198530), (325, 158824), (520, 99265), (650, 79412), (1300, 39706), (2600, 19853)]