22345000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 54123300

約数和(自身を除く): 31778300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 109, 125, 164, 200, 205, 218, 250, 328, 410, 436, 500, 545, 625, 820, 872, 1000, 1025, 1090, 1250, 1640, 2050, 2180, 2500, 2725, 4100, 4360, 4469, 5000, 5125, 5450, 8200, 8938, 10250, 10900, 13625, 17876, 20500, 21800, 22345, 25625, 27250, 35752, 41000, 44690, 51250, 54500, 68125, 89380, 102500, 109000, 111725, 136250, 178760, 205000, 223450, 272500, 446900, 545000, 558625, 893800, 1117250, 2234500, 2793125, 4469000, 5586250, 11172500, 22345000]

約数ペア:

[(1, 22345000), (2, 11172500), (4, 5586250), (5, 4469000), (8, 2793125), (10, 2234500), (20, 1117250), (25, 893800), (40, 558625), (41, 545000), (50, 446900), (82, 272500), (100, 223450), (109, 205000), (125, 178760), (164, 136250), (200, 111725), (205, 109000), (218, 102500), (250, 89380), (328, 68125), (410, 54500), (436, 51250), (500, 44690), (545, 41000), (625, 35752), (820, 27250), (872, 25625), (1000, 22345), (1025, 21800), (1090, 20500), (1250, 17876), (1640, 13625), (2050, 10900), (2180, 10250), (2500, 8938), (2725, 8200), (4100, 5450), (4360, 5125), (4469, 5000)]