8965000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 23055120

約数和(自身を除く): 14090120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 163, 200, 220, 250, 275, 326, 440, 500, 550, 625, 652, 815, 1000, 1100, 1250, 1304, 1375, 1630, 1793, 2200, 2500, 2750, 3260, 3586, 4075, 5000, 5500, 6520, 6875, 7172, 8150, 8965, 11000, 13750, 14344, 16300, 17930, 20375, 27500, 32600, 35860, 40750, 44825, 55000, 71720, 81500, 89650, 101875, 163000, 179300, 203750, 224125, 358600, 407500, 448250, 815000, 896500, 1120625, 1793000, 2241250, 4482500, 8965000]

約数ペア:

[(1, 8965000), (2, 4482500), (4, 2241250), (5, 1793000), (8, 1120625), (10, 896500), (11, 815000), (20, 448250), (22, 407500), (25, 358600), (40, 224125), (44, 203750), (50, 179300), (55, 163000), (88, 101875), (100, 89650), (110, 81500), (125, 71720), (163, 55000), (200, 44825), (220, 40750), (250, 35860), (275, 32600), (326, 27500), (440, 20375), (500, 17930), (550, 16300), (625, 14344), (652, 13750), (815, 11000), (1000, 8965), (1100, 8150), (1250, 7172), (1304, 6875), (1375, 6520), (1630, 5500), (1793, 5000), (2200, 4075), (2500, 3586), (2750, 3260)]