10505000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 26991360

約数和(自身を除く): 16486360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 191, 200, 220, 250, 275, 382, 440, 500, 550, 625, 764, 955, 1000, 1100, 1250, 1375, 1528, 1910, 2101, 2200, 2500, 2750, 3820, 4202, 4775, 5000, 5500, 6875, 7640, 8404, 9550, 10505, 11000, 13750, 16808, 19100, 21010, 23875, 27500, 38200, 42020, 47750, 52525, 55000, 84040, 95500, 105050, 119375, 191000, 210100, 238750, 262625, 420200, 477500, 525250, 955000, 1050500, 1313125, 2101000, 2626250, 5252500, 10505000]

約数ペア:

[(1, 10505000), (2, 5252500), (4, 2626250), (5, 2101000), (8, 1313125), (10, 1050500), (11, 955000), (20, 525250), (22, 477500), (25, 420200), (40, 262625), (44, 238750), (50, 210100), (55, 191000), (88, 119375), (100, 105050), (110, 95500), (125, 84040), (191, 55000), (200, 52525), (220, 47750), (250, 42020), (275, 38200), (382, 27500), (440, 23875), (500, 21010), (550, 19100), (625, 16808), (764, 13750), (955, 11000), (1000, 10505), (1100, 9550), (1250, 8404), (1375, 7640), (1528, 6875), (1910, 5500), (2101, 5000), (2200, 4775), (2500, 4202), (2750, 3820)]