2047990720

素因数分解:

$2^6\times 5^1\times {\mathrm{6399971}}^1$

素因数の和:6399988

約数の個数: 28

約数和(自身を含む): 4876778664

約数和(自身を除く): 2828787944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6399971, 12799942, 25599884, 31999855, 51199768, 63999710, 102399536, 127999420, 204799072, 255998840, 409598144, 511997680, 1023995360, 2047990720]

約数ペア:

[(1, 2047990720), (2, 1023995360), (4, 511997680), (5, 409598144), (8, 255998840), (10, 204799072), (16, 127999420), (20, 102399536), (32, 63999710), (40, 51199768), (64, 31999855), (80, 25599884), (160, 12799942), (320, 6399971)]