1968306640

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{127481}}^1$

素因数の和:127687

約数の個数: 40

約数和(自身を含む): 4600060488

約数和(自身を除く): 2631753848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 127481, 254962, 509924, 637405, 1019848, 1274810, 2039696, 2549620, 5099240, 10198480, 24603833, 49207666, 98415332, 123019165, 196830664, 246038330, 393661328, 492076660, 984153320, 1968306640]

約数ペア:

[(1, 1968306640), (2, 984153320), (4, 492076660), (5, 393661328), (8, 246038330), (10, 196830664), (16, 123019165), (20, 98415332), (40, 49207666), (80, 24603833), (193, 10198480), (386, 5099240), (772, 2549620), (965, 2039696), (1544, 1274810), (1930, 1019848), (3088, 637405), (3860, 509924), (7720, 254962), (15440, 127481)]