51757840

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2707}}^1$

素因数の和:2959

約数の個数: 40

約数和(自身を含む): 120885120

約数和(自身を除く): 69127280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 2707, 3824, 4780, 5414, 9560, 10828, 13535, 19120, 21656, 27070, 43312, 54140, 108280, 216560, 646973, 1293946, 2587892, 3234865, 5175784, 6469730, 10351568, 12939460, 25878920, 51757840]

約数ペア:

[(1, 51757840), (2, 25878920), (4, 12939460), (5, 10351568), (8, 6469730), (10, 5175784), (16, 3234865), (20, 2587892), (40, 1293946), (80, 646973), (239, 216560), (478, 108280), (956, 54140), (1195, 43312), (1912, 27070), (2390, 21656), (2707, 19120), (3824, 13535), (4780, 10828), (5414, 9560)]