2018005000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{36691}}^1$

素因数の和:36728

約数の個数: 80

約数和(自身を含む): 5158161360

約数和(自身を除く): 3140156360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 625, 1000, 1100, 1250, 1375, 2200, 2500, 2750, 5000, 5500, 6875, 11000, 13750, 27500, 36691, 55000, 73382, 146764, 183455, 293528, 366910, 403601, 733820, 807202, 917275, 1467640, 1614404, 1834550, 2018005, 3228808, 3669100, 4036010, 4586375, 7338200, 8072020, 9172750, 10090025, 16144040, 18345500, 20180050, 22931875, 36691000, 40360100, 45863750, 50450125, 80720200, 91727500, 100900250, 183455000, 201800500, 252250625, 403601000, 504501250, 1009002500, 2018005000]

約数ペア:

[(1, 2018005000), (2, 1009002500), (4, 504501250), (5, 403601000), (8, 252250625), (10, 201800500), (11, 183455000), (20, 100900250), (22, 91727500), (25, 80720200), (40, 50450125), (44, 45863750), (50, 40360100), (55, 36691000), (88, 22931875), (100, 20180050), (110, 18345500), (125, 16144040), (200, 10090025), (220, 9172750), (250, 8072020), (275, 7338200), (440, 4586375), (500, 4036010), (550, 3669100), (625, 3228808), (1000, 2018005), (1100, 1834550), (1250, 1614404), (1375, 1467640), (2200, 917275), (2500, 807202), (2750, 733820), (5000, 403601), (5500, 366910), (6875, 293528), (11000, 183455), (13750, 146764), (27500, 73382), (36691, 55000)]