405080452720

素因数分解:

$2^4\times 5^1\times {\mathrm{5063505659}}^1$

素因数の和:5063505672

約数の個数: 20

約数和(自身を含む): 941812052760

約数和(自身を除く): 536731600040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5063505659, 10127011318, 20254022636, 25317528295, 40508045272, 50635056590, 81016090544, 101270113180, 202540226360, 405080452720]

約数ペア:

[(1, 405080452720), (2, 202540226360), (4, 101270113180), (5, 81016090544), (8, 50635056590), (10, 40508045272), (16, 25317528295), (20, 20254022636), (40, 10127011318), (80, 5063505659)]