4810000

素因数分解:

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

素因数の和:78

約数の個数: 100

約数和(自身を含む): 12880252

約数和(自身を除く): 8070252

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 37, 40, 50, 52, 65, 74, 80, 100, 104, 125, 130, 148, 185, 200, 208, 250, 260, 296, 325, 370, 400, 481, 500, 520, 592, 625, 650, 740, 925, 962, 1000, 1040, 1250, 1300, 1480, 1625, 1850, 1924, 2000, 2405, 2500, 2600, 2960, 3250, 3700, 3848, 4625, 4810, 5000, 5200, 6500, 7400, 7696, 8125, 9250, 9620, 10000, 12025, 13000, 14800, 16250, 18500, 19240, 23125, 24050, 26000, 32500, 37000, 38480, 46250, 48100, 60125, 65000, 74000, 92500, 96200, 120250, 130000, 185000, 192400, 240500, 300625, 370000, 481000, 601250, 962000, 1202500, 2405000, 4810000]

約数ペア:

[(1, 4810000), (2, 2405000), (4, 1202500), (5, 962000), (8, 601250), (10, 481000), (13, 370000), (16, 300625), (20, 240500), (25, 192400), (26, 185000), (37, 130000), (40, 120250), (50, 96200), (52, 92500), (65, 74000), (74, 65000), (80, 60125), (100, 48100), (104, 46250), (125, 38480), (130, 37000), (148, 32500), (185, 26000), (200, 24050), (208, 23125), (250, 19240), (260, 18500), (296, 16250), (325, 14800), (370, 13000), (400, 12025), (481, 10000), (500, 9620), (520, 9250), (592, 8125), (625, 7696), (650, 7400), (740, 6500), (925, 5200), (962, 5000), (1000, 4810), (1040, 4625), (1250, 3848), (1300, 3700), (1480, 3250), (1625, 2960), (1850, 2600), (1924, 2500), (2000, 2405)]