12545000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 31817940

約数和(自身を除く): 19272940

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, 625, 650, 772, 965, 1000, 1250, 1300, 1544, 1625, 1930, 2500, 2509, 2600, 3250, 3860, 4825, 5000, 5018, 6500, 7720, 8125, 9650, 10036, 12545, 13000, 16250, 19300, 20072, 24125, 25090, 32500, 38600, 48250, 50180, 62725, 65000, 96500, 100360, 120625, 125450, 193000, 241250, 250900, 313625, 482500, 501800, 627250, 965000, 1254500, 1568125, 2509000, 3136250, 6272500, 12545000]

約数ペア:

[(1, 12545000), (2, 6272500), (4, 3136250), (5, 2509000), (8, 1568125), (10, 1254500), (13, 965000), (20, 627250), (25, 501800), (26, 482500), (40, 313625), (50, 250900), (52, 241250), (65, 193000), (100, 125450), (104, 120625), (125, 100360), (130, 96500), (193, 65000), (200, 62725), (250, 50180), (260, 48250), (325, 38600), (386, 32500), (500, 25090), (520, 24125), (625, 20072), (650, 19300), (772, 16250), (965, 13000), (1000, 12545), (1250, 10036), (1300, 9650), (1544, 8125), (1625, 7720), (1930, 6500), (2500, 5018), (2509, 5000), (2600, 4825), (3250, 3860)]