88891000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{8081}}^1$

素因数の和:8113

約数の個数: 64

約数和(自身を含む): 226942560

約数和(自身を除く): 138051560

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, 8081, 11000, 16162, 32324, 40405, 64648, 80810, 88891, 161620, 177782, 202025, 323240, 355564, 404050, 444455, 711128, 808100, 888910, 1010125, 1616200, 1777820, 2020250, 2222275, 3555640, 4040500, 4444550, 8081000, 8889100, 11111375, 17778200, 22222750, 44445500, 88891000]

約数ペア:

[(1, 88891000), (2, 44445500), (4, 22222750), (5, 17778200), (8, 11111375), (10, 8889100), (11, 8081000), (20, 4444550), (22, 4040500), (25, 3555640), (40, 2222275), (44, 2020250), (50, 1777820), (55, 1616200), (88, 1010125), (100, 888910), (110, 808100), (125, 711128), (200, 444455), (220, 404050), (250, 355564), (275, 323240), (440, 202025), (500, 177782), (550, 161620), (1000, 88891), (1100, 80810), (1375, 64648), (2200, 40405), (2750, 32324), (5500, 16162), (8081, 11000)]