16622500

素因数分解:

$2^2\times 5^4\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 60

約数和(自身を含む): 37284940

約数和(自身を除く): 20662440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 109, 122, 125, 218, 244, 250, 305, 436, 500, 545, 610, 625, 1090, 1220, 1250, 1525, 2180, 2500, 2725, 3050, 5450, 6100, 6649, 7625, 10900, 13298, 13625, 15250, 26596, 27250, 30500, 33245, 38125, 54500, 66490, 68125, 76250, 132980, 136250, 152500, 166225, 272500, 332450, 664900, 831125, 1662250, 3324500, 4155625, 8311250, 16622500]

約数ペア:

[(1, 16622500), (2, 8311250), (4, 4155625), (5, 3324500), (10, 1662250), (20, 831125), (25, 664900), (50, 332450), (61, 272500), (100, 166225), (109, 152500), (122, 136250), (125, 132980), (218, 76250), (244, 68125), (250, 66490), (305, 54500), (436, 38125), (500, 33245), (545, 30500), (610, 27250), (625, 26596), (1090, 15250), (1220, 13625), (1250, 13298), (1525, 10900), (2180, 7625), (2500, 6649), (2725, 6100), (3050, 5450)]