25201360

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1583}}^1$

素因数の和:1795

約数の個数: 40

約数和(自身を含む): 58924800

約数和(自身を除く): 33723440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1583, 1592, 1990, 3166, 3184, 3980, 6332, 7915, 7960, 12664, 15830, 15920, 25328, 31660, 63320, 126640, 315017, 630034, 1260068, 1575085, 2520136, 3150170, 5040272, 6300340, 12600680, 25201360]

約数ペア:

[(1, 25201360), (2, 12600680), (4, 6300340), (5, 5040272), (8, 3150170), (10, 2520136), (16, 1575085), (20, 1260068), (40, 630034), (80, 315017), (199, 126640), (398, 63320), (796, 31660), (995, 25328), (1583, 15920), (1592, 15830), (1990, 12664), (3166, 7960), (3184, 7915), (3980, 6332)]