212319280

素因数分解:

$2^4\times 5^1\times {\mathrm{2653991}}^1$

素因数の和:2654004

約数の個数: 20

約数和(自身を含む): 493642512

約数和(自身を除く): 281323232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2653991, 5307982, 10615964, 13269955, 21231928, 26539910, 42463856, 53079820, 106159640, 212319280]

約数ペア:

[(1, 212319280), (2, 106159640), (4, 53079820), (5, 42463856), (8, 26539910), (10, 21231928), (16, 13269955), (20, 10615964), (40, 5307982), (80, 2653991)]