51223120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49253}}^1$

素因数の和:49279

約数の個数: 40

約数和(自身を含む): 128257416

約数和(自身を除く): 77034296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49253, 98506, 197012, 246265, 394024, 492530, 640289, 788048, 985060, 1280578, 1970120, 2561156, 3201445, 3940240, 5122312, 6402890, 10244624, 12805780, 25611560, 51223120]

約数ペア:

[(1, 51223120), (2, 25611560), (4, 12805780), (5, 10244624), (8, 6402890), (10, 5122312), (13, 3940240), (16, 3201445), (20, 2561156), (26, 1970120), (40, 1280578), (52, 985060), (65, 788048), (80, 640289), (104, 492530), (130, 394024), (208, 246265), (260, 197012), (520, 98506), (1040, 49253)]