80409895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{9091}}^1$

素因数の和:9186

約数の個数: 16

約数和(自身を含む): 101466720

約数和(自身を除く): 21056825

約数列:

[1, 5, 29, 61, 145, 305, 1769, 8845, 9091, 45455, 263639, 554551, 1318195, 2772755, 16081979, 80409895]

約数ペア:

[(1, 80409895), (5, 16081979), (29, 2772755), (61, 1318195), (145, 554551), (305, 263639), (1769, 45455), (8845, 9091)]