12477680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8209}}^1$

素因数の和:8241

約数の個数: 40

約数和(自身を含む): 30541200

約数和(自身を除く): 18063520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8209, 16418, 32836, 41045, 65672, 82090, 131344, 155971, 164180, 311942, 328360, 623884, 656720, 779855, 1247768, 1559710, 2495536, 3119420, 6238840, 12477680]

約数ペア:

[(1, 12477680), (2, 6238840), (4, 3119420), (5, 2495536), (8, 1559710), (10, 1247768), (16, 779855), (19, 656720), (20, 623884), (38, 328360), (40, 311942), (76, 164180), (80, 155971), (95, 131344), (152, 82090), (190, 65672), (304, 41045), (380, 32836), (760, 16418), (1520, 8209)]