55749140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 119750400

約数和(自身を除く): 64001260

約数列:

[1, 2, 4, 5, 10, 20, 107, 109, 214, 218, 239, 428, 436, 478, 535, 545, 956, 1070, 1090, 1195, 2140, 2180, 2390, 4780, 11663, 23326, 25573, 26051, 46652, 51146, 52102, 58315, 102292, 104204, 116630, 127865, 130255, 233260, 255730, 260510, 511460, 521020, 2787457, 5574914, 11149828, 13937285, 27874570, 55749140]

約数ペア:

[(1, 55749140), (2, 27874570), (4, 13937285), (5, 11149828), (10, 5574914), (20, 2787457), (107, 521020), (109, 511460), (214, 260510), (218, 255730), (239, 233260), (428, 130255), (436, 127865), (478, 116630), (535, 104204), (545, 102292), (956, 58315), (1070, 52102), (1090, 51146), (1195, 46652), (2140, 26051), (2180, 25573), (2390, 23326), (4780, 11663)]