25326730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 29105270

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 89, 110, 130, 143, 178, 199, 286, 398, 445, 715, 890, 979, 995, 1157, 1430, 1958, 1990, 2189, 2314, 2587, 4378, 4895, 5174, 5785, 9790, 10945, 11570, 12727, 12935, 17711, 21890, 25454, 25870, 28457, 35422, 56914, 63635, 88555, 127270, 142285, 177110, 194821, 230243, 284570, 389642, 460486, 974105, 1151215, 1948210, 2302430, 2532673, 5065346, 12663365, 25326730]

約数ペア:

[(1, 25326730), (2, 12663365), (5, 5065346), (10, 2532673), (11, 2302430), (13, 1948210), (22, 1151215), (26, 974105), (55, 460486), (65, 389642), (89, 284570), (110, 230243), (130, 194821), (143, 177110), (178, 142285), (199, 127270), (286, 88555), (398, 63635), (445, 56914), (715, 35422), (890, 28457), (979, 25870), (995, 25454), (1157, 21890), (1430, 17711), (1958, 12935), (1990, 12727), (2189, 11570), (2314, 10945), (2587, 9790), (4378, 5785), (4895, 5174)]