6420003440

素因数分解:

$2^4\times 5^1\times {\mathrm{80250043}}^1$

素因数の和:80250056

約数の個数: 20

約数和(自身を含む): 14926508184

約数和(自身を除く): 8506504744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 80250043, 160500086, 321000172, 401250215, 642000344, 802500430, 1284000688, 1605000860, 3210001720, 6420003440]

約数ペア:

[(1, 6420003440), (2, 3210001720), (4, 1605000860), (5, 1284000688), (8, 802500430), (10, 642000344), (16, 401250215), (20, 321000172), (40, 160500086), (80, 80250043)]