31468880

素因数分解:

$2^4\times 5^1\times {\mathrm{393361}}^1$

素因数の和:393374

約数の個数: 20

約数和(自身を含む): 73165332

約数和(自身を除く): 41696452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 393361, 786722, 1573444, 1966805, 3146888, 3933610, 6293776, 7867220, 15734440, 31468880]

約数ペア:

[(1, 31468880), (2, 15734440), (4, 7867220), (5, 6293776), (8, 3933610), (10, 3146888), (16, 1966805), (20, 1573444), (40, 786722), (80, 393361)]