28228750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{2053}}^1$

素因数の和:2086

約数の個数: 40

約数和(自身を含む): 57750264

約数和(自身を除く): 29521514

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 2053, 2750, 4106, 6875, 10265, 13750, 20530, 22583, 45166, 51325, 102650, 112915, 225830, 256625, 513250, 564575, 1129150, 1283125, 2566250, 2822875, 5645750, 14114375, 28228750]

約数ペア:

[(1, 28228750), (2, 14114375), (5, 5645750), (10, 2822875), (11, 2566250), (22, 1283125), (25, 1129150), (50, 564575), (55, 513250), (110, 256625), (125, 225830), (250, 112915), (275, 102650), (550, 51325), (625, 45166), (1250, 22583), (1375, 20530), (2053, 13750), (2750, 10265), (4106, 6875)]