12025000

素因数分解:

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

素因数の和:81

約数の個数: 96

約数和(自身を含む): 31169880

約数和(自身を除く): 19144880

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, 3125, 3250, 3700, 3848, 4625, 4810, 5000, 6250, 6500, 7400, 8125, 9250, 9620, 12025, 12500, 13000, 16250, 18500, 19240, 23125, 24050, 25000, 32500, 37000, 40625, 46250, 48100, 60125, 65000, 81250, 92500, 96200, 115625, 120250, 162500, 185000, 231250, 240500, 300625, 325000, 462500, 481000, 601250, 925000, 1202500, 1503125, 2405000, 3006250, 6012500, 12025000]

約数ペア:

[(1, 12025000), (2, 6012500), (4, 3006250), (5, 2405000), (8, 1503125), (10, 1202500), (13, 925000), (20, 601250), (25, 481000), (26, 462500), (37, 325000), (40, 300625), (50, 240500), (52, 231250), (65, 185000), (74, 162500), (100, 120250), (104, 115625), (125, 96200), (130, 92500), (148, 81250), (185, 65000), (200, 60125), (250, 48100), (260, 46250), (296, 40625), (325, 37000), (370, 32500), (481, 25000), (500, 24050), (520, 23125), (625, 19240), (650, 18500), (740, 16250), (925, 13000), (962, 12500), (1000, 12025), (1250, 9620), (1300, 9250), (1480, 8125), (1625, 7400), (1850, 6500), (1924, 6250), (2405, 5000), (2500, 4810), (2600, 4625), (3125, 3848), (3250, 3700)]