71403320

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5393}}^1$

素因数の和:5735

約数の個数: 32

約数和(自身を含む): 161172720

約数和(自身を除く): 89769400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 5393, 6620, 10786, 13240, 21572, 26965, 43144, 53930, 107860, 215720, 1785083, 3570166, 7140332, 8925415, 14280664, 17850830, 35701660, 71403320]

約数ペア:

[(1, 71403320), (2, 35701660), (4, 17850830), (5, 14280664), (8, 8925415), (10, 7140332), (20, 3570166), (40, 1785083), (331, 215720), (662, 107860), (1324, 53930), (1655, 43144), (2648, 26965), (3310, 21572), (5393, 13240), (6620, 10786)]