51266800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9859}}^1$

素因数の和:9890

約数の個数: 60

約数和(自身を含む): 132656440

約数和(自身を除く): 81389640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 9859, 19718, 39436, 49295, 78872, 98590, 128167, 157744, 197180, 246475, 256334, 394360, 492950, 512668, 640835, 788720, 985900, 1025336, 1281670, 1971800, 2050672, 2563340, 3204175, 3943600, 5126680, 6408350, 10253360, 12816700, 25633400, 51266800]

約数ペア:

[(1, 51266800), (2, 25633400), (4, 12816700), (5, 10253360), (8, 6408350), (10, 5126680), (13, 3943600), (16, 3204175), (20, 2563340), (25, 2050672), (26, 1971800), (40, 1281670), (50, 1025336), (52, 985900), (65, 788720), (80, 640835), (100, 512668), (104, 492950), (130, 394360), (200, 256334), (208, 246475), (260, 197180), (325, 157744), (400, 128167), (520, 98590), (650, 78872), (1040, 49295), (1300, 39436), (2600, 19718), (5200, 9859)]