2509000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 6355440

約数和(自身を除く): 3846440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 193, 200, 250, 260, 325, 386, 500, 520, 650, 772, 965, 1000, 1300, 1544, 1625, 1930, 2509, 2600, 3250, 3860, 4825, 5018, 6500, 7720, 9650, 10036, 12545, 13000, 19300, 20072, 24125, 25090, 38600, 48250, 50180, 62725, 96500, 100360, 125450, 193000, 250900, 313625, 501800, 627250, 1254500, 2509000]

約数ペア:

[(1, 2509000), (2, 1254500), (4, 627250), (5, 501800), (8, 313625), (10, 250900), (13, 193000), (20, 125450), (25, 100360), (26, 96500), (40, 62725), (50, 50180), (52, 48250), (65, 38600), (100, 25090), (104, 24125), (125, 20072), (130, 19300), (193, 13000), (200, 12545), (250, 10036), (260, 9650), (325, 7720), (386, 6500), (500, 5018), (520, 4825), (650, 3860), (772, 3250), (965, 2600), (1000, 2509), (1300, 1930), (1544, 1625)]