25090000

素因数分解:

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

素因数の和:234

約数の個数: 100

約数和(自身を含む): 65757076

約数和(自身を除く): 40667076

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 193, 200, 208, 250, 260, 325, 386, 400, 500, 520, 625, 650, 772, 965, 1000, 1040, 1250, 1300, 1544, 1625, 1930, 2000, 2500, 2509, 2600, 3088, 3250, 3860, 4825, 5000, 5018, 5200, 6500, 7720, 8125, 9650, 10000, 10036, 12545, 13000, 15440, 16250, 19300, 20072, 24125, 25090, 26000, 32500, 38600, 40144, 48250, 50180, 62725, 65000, 77200, 96500, 100360, 120625, 125450, 130000, 193000, 200720, 241250, 250900, 313625, 386000, 482500, 501800, 627250, 965000, 1003600, 1254500, 1568125, 1930000, 2509000, 3136250, 5018000, 6272500, 12545000, 25090000]

約数ペア:

[(1, 25090000), (2, 12545000), (4, 6272500), (5, 5018000), (8, 3136250), (10, 2509000), (13, 1930000), (16, 1568125), (20, 1254500), (25, 1003600), (26, 965000), (40, 627250), (50, 501800), (52, 482500), (65, 386000), (80, 313625), (100, 250900), (104, 241250), (125, 200720), (130, 193000), (193, 130000), (200, 125450), (208, 120625), (250, 100360), (260, 96500), (325, 77200), (386, 65000), (400, 62725), (500, 50180), (520, 48250), (625, 40144), (650, 38600), (772, 32500), (965, 26000), (1000, 25090), (1040, 24125), (1250, 20072), (1300, 19300), (1544, 16250), (1625, 15440), (1930, 13000), (2000, 12545), (2500, 10036), (2509, 10000), (2600, 9650), (3088, 8125), (3250, 7720), (3860, 6500), (4825, 5200), (5000, 5018)]