128057800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49253}}^1$

素因数の和:49282

約数の個数: 48

約数和(自身を含む): 320643540

約数和(自身を除く): 192585740

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, 49253, 98506, 197012, 246265, 394024, 492530, 640289, 985060, 1231325, 1280578, 1970120, 2462650, 2561156, 3201445, 4925300, 5122312, 6402890, 9850600, 12805780, 16007225, 25611560, 32014450, 64028900, 128057800]

約数ペア:

[(1, 128057800), (2, 64028900), (4, 32014450), (5, 25611560), (8, 16007225), (10, 12805780), (13, 9850600), (20, 6402890), (25, 5122312), (26, 4925300), (40, 3201445), (50, 2561156), (52, 2462650), (65, 1970120), (100, 1280578), (104, 1231325), (130, 985060), (200, 640289), (260, 492530), (325, 394024), (520, 246265), (650, 197012), (1300, 98506), (2600, 49253)]