56105500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{101}}^2$

素因数の和:232

約数の個数: 72

約数和(自身を含む): 135010512

約数和(自身を除く): 78905012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 125, 202, 220, 250, 275, 404, 500, 505, 550, 1010, 1100, 1111, 1375, 2020, 2222, 2525, 2750, 4444, 5050, 5500, 5555, 10100, 10201, 11110, 12625, 20402, 22220, 25250, 27775, 40804, 50500, 51005, 55550, 102010, 111100, 112211, 138875, 204020, 224422, 255025, 277750, 448844, 510050, 555500, 561055, 1020100, 1122110, 1275125, 2244220, 2550250, 2805275, 5100500, 5610550, 11221100, 14026375, 28052750, 56105500]

約数ペア:

[(1, 56105500), (2, 28052750), (4, 14026375), (5, 11221100), (10, 5610550), (11, 5100500), (20, 2805275), (22, 2550250), (25, 2244220), (44, 1275125), (50, 1122110), (55, 1020100), (100, 561055), (101, 555500), (110, 510050), (125, 448844), (202, 277750), (220, 255025), (250, 224422), (275, 204020), (404, 138875), (500, 112211), (505, 111100), (550, 102010), (1010, 55550), (1100, 51005), (1111, 50500), (1375, 40804), (2020, 27775), (2222, 25250), (2525, 22220), (2750, 20402), (4444, 12625), (5050, 11110), (5500, 10201), (5555, 10100)]