80399000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7309}}^1$

素因数の和:7341

約数の個数: 64

約数和(自身を含む): 205264800

約数和(自身を除く): 124865800

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, 1000, 1100, 1375, 2200, 2750, 5500, 7309, 11000, 14618, 29236, 36545, 58472, 73090, 80399, 146180, 160798, 182725, 292360, 321596, 365450, 401995, 643192, 730900, 803990, 913625, 1461800, 1607980, 1827250, 2009975, 3215960, 3654500, 4019950, 7309000, 8039900, 10049875, 16079800, 20099750, 40199500, 80399000]

約数ペア:

[(1, 80399000), (2, 40199500), (4, 20099750), (5, 16079800), (8, 10049875), (10, 8039900), (11, 7309000), (20, 4019950), (22, 3654500), (25, 3215960), (40, 2009975), (44, 1827250), (50, 1607980), (55, 1461800), (88, 913625), (100, 803990), (110, 730900), (125, 643192), (200, 401995), (220, 365450), (250, 321596), (275, 292360), (440, 182725), (500, 160798), (550, 146180), (1000, 80399), (1100, 73090), (1375, 58472), (2200, 36545), (2750, 29236), (5500, 14618), (7309, 11000)]