8429440

素因数分解:

$2^7\times 5^1\times {\mathrm{13171}}^1$

素因数の和:13190

約数の個数: 32

約数和(自身を含む): 20153160

約数和(自身を除く): 11723720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13171, 26342, 52684, 65855, 105368, 131710, 210736, 263420, 421472, 526840, 842944, 1053680, 1685888, 2107360, 4214720, 8429440]

約数ペア:

[(1, 8429440), (2, 4214720), (4, 2107360), (5, 1685888), (8, 1053680), (10, 842944), (16, 526840), (20, 421472), (32, 263420), (40, 210736), (64, 131710), (80, 105368), (128, 65855), (160, 52684), (320, 26342), (640, 13171)]