80760290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1597}}^1$

素因数の和:2006

約数の個数: 32

約数和(自身を含む): 157051440

約数和(自身を除く): 76291150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1597, 1945, 3194, 3890, 5057, 7985, 10114, 15970, 20761, 25285, 41522, 50570, 103805, 207610, 621233, 1242466, 3106165, 6212330, 8076029, 16152058, 40380145, 80760290]

約数ペア:

[(1, 80760290), (2, 40380145), (5, 16152058), (10, 8076029), (13, 6212330), (26, 3106165), (65, 1242466), (130, 621233), (389, 207610), (778, 103805), (1597, 50570), (1945, 41522), (3194, 25285), (3890, 20761), (5057, 15970), (7985, 10114)]