2041801600

素因数分解:

$2^7\times 5^2\times {\mathrm{638063}}^1$

素因数の和:638087

約数の個数: 48

約数和(自身を含む): 5043895920

約数和(自身を除く): 3002094320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 638063, 1276126, 2552252, 3190315, 5104504, 6380630, 10209008, 12761260, 15951575, 20418016, 25522520, 31903150, 40836032, 51045040, 63806300, 81672064, 102090080, 127612600, 204180160, 255225200, 408360320, 510450400, 1020900800, 2041801600]

約数ペア:

[(1, 2041801600), (2, 1020900800), (4, 510450400), (5, 408360320), (8, 255225200), (10, 204180160), (16, 127612600), (20, 102090080), (25, 81672064), (32, 63806300), (40, 51045040), (50, 40836032), (64, 31903150), (80, 25522520), (100, 20418016), (128, 15951575), (160, 12761260), (200, 10209008), (320, 6380630), (400, 5104504), (640, 3190315), (800, 2552252), (1600, 1276126), (3200, 638063)]