4555100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 11155536

約数和(自身を除く): 6600436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 101, 110, 164, 202, 205, 220, 275, 404, 410, 451, 505, 550, 820, 902, 1010, 1025, 1100, 1111, 1804, 2020, 2050, 2222, 2255, 2525, 4100, 4141, 4444, 4510, 5050, 5555, 8282, 9020, 10100, 11110, 11275, 16564, 20705, 22220, 22550, 27775, 41410, 45100, 45551, 55550, 82820, 91102, 103525, 111100, 182204, 207050, 227755, 414100, 455510, 911020, 1138775, 2277550, 4555100]

約数ペア:

[(1, 4555100), (2, 2277550), (4, 1138775), (5, 911020), (10, 455510), (11, 414100), (20, 227755), (22, 207050), (25, 182204), (41, 111100), (44, 103525), (50, 91102), (55, 82820), (82, 55550), (100, 45551), (101, 45100), (110, 41410), (164, 27775), (202, 22550), (205, 22220), (220, 20705), (275, 16564), (404, 11275), (410, 11110), (451, 10100), (505, 9020), (550, 8282), (820, 5555), (902, 5050), (1010, 4510), (1025, 4444), (1100, 4141), (1111, 4100), (1804, 2525), (2020, 2255), (2050, 2222)]