49720490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{81509}}^1$

素因数の和:81577

約数の個数: 16

約数和(自身を含む): 90965160

約数和(自身を除く): 41244670

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 81509, 163018, 407545, 815090, 4972049, 9944098, 24860245, 49720490]

約数ペア:

[(1, 49720490), (2, 24860245), (5, 9944098), (10, 4972049), (61, 815090), (122, 407545), (305, 163018), (610, 81509)]