9815000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 24929520

約数和(自身を除く): 15114520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 151, 200, 250, 260, 302, 325, 500, 520, 604, 625, 650, 755, 1000, 1208, 1250, 1300, 1510, 1625, 1963, 2500, 2600, 3020, 3250, 3775, 3926, 5000, 6040, 6500, 7550, 7852, 8125, 9815, 13000, 15100, 15704, 16250, 18875, 19630, 30200, 32500, 37750, 39260, 49075, 65000, 75500, 78520, 94375, 98150, 151000, 188750, 196300, 245375, 377500, 392600, 490750, 755000, 981500, 1226875, 1963000, 2453750, 4907500, 9815000]

約数ペア:

[(1, 9815000), (2, 4907500), (4, 2453750), (5, 1963000), (8, 1226875), (10, 981500), (13, 755000), (20, 490750), (25, 392600), (26, 377500), (40, 245375), (50, 196300), (52, 188750), (65, 151000), (100, 98150), (104, 94375), (125, 78520), (130, 75500), (151, 65000), (200, 49075), (250, 39260), (260, 37750), (302, 32500), (325, 30200), (500, 19630), (520, 18875), (604, 16250), (625, 15704), (650, 15100), (755, 13000), (1000, 9815), (1208, 8125), (1250, 7852), (1300, 7550), (1510, 6500), (1625, 6040), (1963, 5000), (2500, 3926), (2600, 3775), (3020, 3250)]