20108400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1323

約数の個数: 120

約数和(自身を含む): 69422640

約数和(自身を除く): 49314240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1289, 1300, 1560, 1950, 2578, 2600, 3120, 3867, 3900, 5156, 5200, 6445, 7734, 7800, 10312, 12890, 15468, 15600, 16757, 19335, 20624, 25780, 30936, 32225, 33514, 38670, 50271, 51560, 61872, 64450, 67028, 77340, 83785, 96675, 100542, 103120, 128900, 134056, 154680, 167570, 193350, 201084, 251355, 257800, 268112, 309360, 335140, 386700, 402168, 418925, 502710, 515600, 670280, 773400, 804336, 837850, 1005420, 1256775, 1340560, 1546800, 1675700, 2010840, 2513550, 3351400, 4021680, 5027100, 6702800, 10054200, 20108400]

約数ペア:

[(1, 20108400), (2, 10054200), (3, 6702800), (4, 5027100), (5, 4021680), (6, 3351400), (8, 2513550), (10, 2010840), (12, 1675700), (13, 1546800), (15, 1340560), (16, 1256775), (20, 1005420), (24, 837850), (25, 804336), (26, 773400), (30, 670280), (39, 515600), (40, 502710), (48, 418925), (50, 402168), (52, 386700), (60, 335140), (65, 309360), (75, 268112), (78, 257800), (80, 251355), (100, 201084), (104, 193350), (120, 167570), (130, 154680), (150, 134056), (156, 128900), (195, 103120), (200, 100542), (208, 96675), (240, 83785), (260, 77340), (300, 67028), (312, 64450), (325, 61872), (390, 51560), (400, 50271), (520, 38670), (600, 33514), (624, 32225), (650, 30936), (780, 25780), (975, 20624), (1040, 19335), (1200, 16757), (1289, 15600), (1300, 15468), (1560, 12890), (1950, 10312), (2578, 7800), (2600, 7734), (3120, 6445), (3867, 5200), (3900, 5156)]