64041920

素因数分解:

$2^6\times 5^1\times {\mathrm{200131}}^1$

素因数の和:200148

約数の個数: 28

約数和(自身を含む): 152500584

約数和(自身を除く): 88458664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 200131, 400262, 800524, 1000655, 1601048, 2001310, 3202096, 4002620, 6404192, 8005240, 12808384, 16010480, 32020960, 64041920]

約数ペア:

[(1, 64041920), (2, 32020960), (4, 16010480), (5, 12808384), (8, 8005240), (10, 6404192), (16, 4002620), (20, 3202096), (32, 2001310), (40, 1601048), (64, 1000655), (80, 800524), (160, 400262), (320, 200131)]