78413480

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4793}}^1$

素因数の和:5213

約数の個数: 32

約数和(自身を含む): 176898600

約数和(自身を除く): 98485120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 4793, 8180, 9586, 16360, 19172, 23965, 38344, 47930, 95860, 191720, 1960337, 3920674, 7841348, 9801685, 15682696, 19603370, 39206740, 78413480]

約数ペア:

[(1, 78413480), (2, 39206740), (4, 19603370), (5, 15682696), (8, 9801685), (10, 7841348), (20, 3920674), (40, 1960337), (409, 191720), (818, 95860), (1636, 47930), (2045, 38344), (3272, 23965), (4090, 19172), (4793, 16360), (8180, 9586)]