78000640

素因数分解:

$2^9\times 5^1\times {\mathrm{30469}}^1$

素因数の和:30492

約数の個数: 40

約数和(自身を含む): 187024860

約数和(自身を除く): 109024220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 30469, 60938, 121876, 152345, 243752, 304690, 487504, 609380, 975008, 1218760, 1950016, 2437520, 3900032, 4875040, 7800064, 9750080, 15600128, 19500160, 39000320, 78000640]

約数ペア:

[(1, 78000640), (2, 39000320), (4, 19500160), (5, 15600128), (8, 9750080), (10, 7800064), (16, 4875040), (20, 3900032), (32, 2437520), (40, 1950016), (64, 1218760), (80, 975008), (128, 609380), (160, 487504), (256, 304690), (320, 243752), (512, 152345), (640, 121876), (1280, 60938), (2560, 30469)]