678880

素因数分解:

$2^5\times 5^1\times {\mathrm{4243}}^1$

素因数の和:4258

約数の個数: 24

約数和(自身を含む): 1604232

約数和(自身を除く): 925352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4243, 8486, 16972, 21215, 33944, 42430, 67888, 84860, 135776, 169720, 339440, 678880]

約数ペア:

[(1, 678880), (2, 339440), (4, 169720), (5, 135776), (8, 84860), (10, 67888), (16, 42430), (20, 33944), (32, 21215), (40, 16972), (80, 8486), (160, 4243)]