90101000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{8191}}^1$

素因数の和:8223

約数の個数: 64

約数和(自身を含む): 230031360

約数和(自身を除く): 139930360

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, 8191, 11000, 16382, 32764, 40955, 65528, 81910, 90101, 163820, 180202, 204775, 327640, 360404, 409550, 450505, 720808, 819100, 901010, 1023875, 1638200, 1802020, 2047750, 2252525, 3604040, 4095500, 4505050, 8191000, 9010100, 11262625, 18020200, 22525250, 45050500, 90101000]

約数ペア:

[(1, 90101000), (2, 45050500), (4, 22525250), (5, 18020200), (8, 11262625), (10, 9010100), (11, 8191000), (20, 4505050), (22, 4095500), (25, 3604040), (40, 2252525), (44, 2047750), (50, 1802020), (55, 1638200), (88, 1023875), (100, 901010), (110, 819100), (125, 720808), (200, 450505), (220, 409550), (250, 360404), (275, 327640), (440, 204775), (500, 180202), (550, 163820), (1000, 90101), (1100, 81910), (1375, 65528), (2200, 40955), (2750, 32764), (5500, 16382), (8191, 11000)]