2405000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 80

約数和(自身を含む): 6232380

約数和(自身を除く): 3827380

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 37, 40, 50, 52, 65, 74, 100, 104, 125, 130, 148, 185, 200, 250, 260, 296, 325, 370, 481, 500, 520, 625, 650, 740, 925, 962, 1000, 1250, 1300, 1480, 1625, 1850, 1924, 2405, 2500, 2600, 3250, 3700, 3848, 4625, 4810, 5000, 6500, 7400, 8125, 9250, 9620, 12025, 13000, 16250, 18500, 19240, 23125, 24050, 32500, 37000, 46250, 48100, 60125, 65000, 92500, 96200, 120250, 185000, 240500, 300625, 481000, 601250, 1202500, 2405000]

約数ペア:

[(1, 2405000), (2, 1202500), (4, 601250), (5, 481000), (8, 300625), (10, 240500), (13, 185000), (20, 120250), (25, 96200), (26, 92500), (37, 65000), (40, 60125), (50, 48100), (52, 46250), (65, 37000), (74, 32500), (100, 24050), (104, 23125), (125, 19240), (130, 18500), (148, 16250), (185, 13000), (200, 12025), (250, 9620), (260, 9250), (296, 8125), (325, 7400), (370, 6500), (481, 5000), (500, 4810), (520, 4625), (625, 3848), (650, 3700), (740, 3250), (925, 2600), (962, 2500), (1000, 2405), (1250, 1924), (1300, 1850), (1480, 1625)]