209314974080

素因数分解:

$2^7\times 5^1\times {\mathrm{327054647}}^1$

素因数の和:327054666

約数の個数: 32

約数和(自身を含む): 500393611440

約数和(自身を除く): 291078637360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 327054647, 654109294, 1308218588, 1635273235, 2616437176, 3270546470, 5232874352, 6541092940, 10465748704, 13082185880, 20931497408, 26164371760, 41862994816, 52328743520, 104657487040, 209314974080]

約数ペア:

[(1, 209314974080), (2, 104657487040), (4, 52328743520), (5, 41862994816), (8, 26164371760), (10, 20931497408), (16, 13082185880), (20, 10465748704), (32, 6541092940), (40, 5232874352), (64, 3270546470), (80, 2616437176), (128, 1635273235), (160, 1308218588), (320, 654109294), (640, 327054647)]