64757966110

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{81972109}}^1$

素因数の和:81972195

約数の個数: 16

約数和(自身を含む): 118039838400

約数和(自身を除く): 53281872290

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 81972109, 163944218, 409860545, 819721090, 6475796611, 12951593222, 32378983055, 64757966110]

約数ペア:

[(1, 64757966110), (2, 32378983055), (5, 12951593222), (10, 6475796611), (79, 819721090), (158, 409860545), (395, 163944218), (790, 81972109)]