9955000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 25585560

約数和(自身を除く): 15630560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 181, 200, 220, 250, 275, 362, 440, 500, 550, 625, 724, 905, 1000, 1100, 1250, 1375, 1448, 1810, 1991, 2200, 2500, 2750, 3620, 3982, 4525, 5000, 5500, 6875, 7240, 7964, 9050, 9955, 11000, 13750, 15928, 18100, 19910, 22625, 27500, 36200, 39820, 45250, 49775, 55000, 79640, 90500, 99550, 113125, 181000, 199100, 226250, 248875, 398200, 452500, 497750, 905000, 995500, 1244375, 1991000, 2488750, 4977500, 9955000]

約数ペア:

[(1, 9955000), (2, 4977500), (4, 2488750), (5, 1991000), (8, 1244375), (10, 995500), (11, 905000), (20, 497750), (22, 452500), (25, 398200), (40, 248875), (44, 226250), (50, 199100), (55, 181000), (88, 113125), (100, 99550), (110, 90500), (125, 79640), (181, 55000), (200, 49775), (220, 45250), (250, 39820), (275, 36200), (362, 27500), (440, 22625), (500, 19910), (550, 18100), (625, 15928), (724, 13750), (905, 11000), (1000, 9955), (1100, 9050), (1250, 7964), (1375, 7240), (1448, 6875), (1810, 5500), (1991, 5000), (2200, 4525), (2500, 3982), (2750, 3620)]