80494920790

素因数分解:

$2^1\times 5^1\times {\mathrm{31079}}^1\times {\mathrm{259001}}^1$

素因数の和:290087

約数の個数: 16

約数和(自身を含む): 144896078880

約数和(自身を除く): 64401158090

約数列:

[1, 2, 5, 10, 31079, 62158, 155395, 259001, 310790, 518002, 1295005, 2590010, 8049492079, 16098984158, 40247460395, 80494920790]

約数ペア:

[(1, 80494920790), (2, 40247460395), (5, 16098984158), (10, 8049492079), (31079, 2590010), (62158, 1295005), (155395, 518002), (259001, 310790)]