254409880

素因数分解:

$2^3\times 5^1\times {\mathrm{6360247}}^1$

素因数の和:6360258

約数の個数: 16

約数和(自身を含む): 572422320

約数和(自身を除く): 318012440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6360247, 12720494, 25440988, 31801235, 50881976, 63602470, 127204940, 254409880]

約数ペア:

[(1, 254409880), (2, 127204940), (4, 63602470), (5, 50881976), (8, 31801235), (10, 25440988), (20, 12720494), (40, 6360247)]