42868240

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1723}}^1$

素因数の和:2047

約数の個数: 40

約数和(自身を含む): 100047168

約数和(自身を除く): 57178928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 1723, 2488, 3110, 3446, 4976, 6220, 6892, 8615, 12440, 13784, 17230, 24880, 27568, 34460, 68920, 137840, 535853, 1071706, 2143412, 2679265, 4286824, 5358530, 8573648, 10717060, 21434120, 42868240]

約数ペア:

[(1, 42868240), (2, 21434120), (4, 10717060), (5, 8573648), (8, 5358530), (10, 4286824), (16, 2679265), (20, 2143412), (40, 1071706), (80, 535853), (311, 137840), (622, 68920), (1244, 34460), (1555, 27568), (1723, 24880), (2488, 17230), (3110, 13784), (3446, 12440), (4976, 8615), (6220, 6892)]