66050000

素因数分解:

$2^4\times 5^5\times {\mathrm{1321}}^1$

素因数の和:1354

約数の個数: 60

約数和(自身を含む): 160075692

約数和(自身を除く): 94025692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1321, 2000, 2500, 2642, 3125, 5000, 5284, 6250, 6605, 10000, 10568, 12500, 13210, 21136, 25000, 26420, 33025, 50000, 52840, 66050, 105680, 132100, 165125, 264200, 330250, 528400, 660500, 825625, 1321000, 1651250, 2642000, 3302500, 4128125, 6605000, 8256250, 13210000, 16512500, 33025000, 66050000]

約数ペア:

[(1, 66050000), (2, 33025000), (4, 16512500), (5, 13210000), (8, 8256250), (10, 6605000), (16, 4128125), (20, 3302500), (25, 2642000), (40, 1651250), (50, 1321000), (80, 825625), (100, 660500), (125, 528400), (200, 330250), (250, 264200), (400, 165125), (500, 132100), (625, 105680), (1000, 66050), (1250, 52840), (1321, 50000), (2000, 33025), (2500, 26420), (2642, 25000), (3125, 21136), (5000, 13210), (5284, 12500), (6250, 10568), (6605, 10000)]