49995280

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2729}}^1$

素因数の和:2971

約数の個数: 40

約数和(自身を含む): 116789400

約数和(自身を除く): 66794120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 2729, 3664, 4580, 5458, 9160, 10916, 13645, 18320, 21832, 27290, 43664, 54580, 109160, 218320, 624941, 1249882, 2499764, 3124705, 4999528, 6249410, 9999056, 12498820, 24997640, 49995280]

約数ペア:

[(1, 49995280), (2, 24997640), (4, 12498820), (5, 9999056), (8, 6249410), (10, 4999528), (16, 3124705), (20, 2499764), (40, 1249882), (80, 624941), (229, 218320), (458, 109160), (916, 54580), (1145, 43664), (1832, 27290), (2290, 21832), (2729, 18320), (3664, 13645), (4580, 10916), (5458, 9160)]