2798303720

素因数分解:

$2^3\times 5^1\times {\mathrm{5021}}^1\times {\mathrm{13933}}^1$

素因数の和:18965

約数の個数: 32

約数和(自身を含む): 6297889320

約数和(自身を除く): 3499585600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5021, 10042, 13933, 20084, 25105, 27866, 40168, 50210, 55732, 69665, 100420, 111464, 139330, 200840, 278660, 557320, 69957593, 139915186, 279830372, 349787965, 559660744, 699575930, 1399151860, 2798303720]

約数ペア:

[(1, 2798303720), (2, 1399151860), (4, 699575930), (5, 559660744), (8, 349787965), (10, 279830372), (20, 139915186), (40, 69957593), (5021, 557320), (10042, 278660), (13933, 200840), (20084, 139330), (25105, 111464), (27866, 100420), (40168, 69665), (50210, 55732)]