102719920

素因数分解:

$2^4\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1811}}^1$

素因数の和:2533

約数の個数: 40

約数和(自身を含む): 239292720

約数和(自身を除く): 136572800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 709, 1418, 1811, 2836, 3545, 3622, 5672, 7090, 7244, 9055, 11344, 14180, 14488, 18110, 28360, 28976, 36220, 56720, 72440, 144880, 1283999, 2567998, 5135996, 6419995, 10271992, 12839990, 20543984, 25679980, 51359960, 102719920]

約数ペア:

[(1, 102719920), (2, 51359960), (4, 25679980), (5, 20543984), (8, 12839990), (10, 10271992), (16, 6419995), (20, 5135996), (40, 2567998), (80, 1283999), (709, 144880), (1418, 72440), (1811, 56720), (2836, 36220), (3545, 28976), (3622, 28360), (5672, 18110), (7090, 14488), (7244, 14180), (9055, 11344)]