65790080

素因数分解:

$2^7\times 5^1\times {\mathrm{102797}}^1$

素因数の和:102816

約数の個数: 32

約数和(自身を含む): 157280940

約数和(自身を除く): 91490860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 102797, 205594, 411188, 513985, 822376, 1027970, 1644752, 2055940, 3289504, 4111880, 6579008, 8223760, 13158016, 16447520, 32895040, 65790080]

約数ペア:

[(1, 65790080), (2, 32895040), (4, 16447520), (5, 13158016), (8, 8223760), (10, 6579008), (16, 4111880), (20, 3289504), (32, 2055940), (40, 1644752), (64, 1027970), (80, 822376), (128, 513985), (160, 411188), (320, 205594), (640, 102797)]