42197840

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2207}}^1$

素因数の和:2459

約数の個数: 40

約数和(自身を含む): 98565120

約数和(自身を除く): 56367280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2207, 2390, 3824, 4414, 4780, 8828, 9560, 11035, 17656, 19120, 22070, 35312, 44140, 88280, 176560, 527473, 1054946, 2109892, 2637365, 4219784, 5274730, 8439568, 10549460, 21098920, 42197840]

約数ペア:

[(1, 42197840), (2, 21098920), (4, 10549460), (5, 8439568), (8, 5274730), (10, 4219784), (16, 2637365), (20, 2109892), (40, 1054946), (80, 527473), (239, 176560), (478, 88280), (956, 44140), (1195, 35312), (1912, 22070), (2207, 19120), (2390, 17656), (3824, 11035), (4414, 9560), (4780, 8828)]