71763280

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1571}}^1$

素因数の和:2155

約数の個数: 40

約数和(自身を含む): 167248224

約数和(自身を除く): 95484944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 1571, 2284, 2855, 3142, 4568, 5710, 6284, 7855, 9136, 11420, 12568, 15710, 22840, 25136, 31420, 45680, 62840, 125680, 897041, 1794082, 3588164, 4485205, 7176328, 8970410, 14352656, 17940820, 35881640, 71763280]

約数ペア:

[(1, 71763280), (2, 35881640), (4, 17940820), (5, 14352656), (8, 8970410), (10, 7176328), (16, 4485205), (20, 3588164), (40, 1794082), (80, 897041), (571, 125680), (1142, 62840), (1571, 45680), (2284, 31420), (2855, 25136), (3142, 22840), (4568, 15710), (5710, 12568), (6284, 11420), (7855, 9136)]