66353240

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3259}}^1$

素因数の和:3779

約数の個数: 32

約数和(自身を含む): 149634000

約数和(自身を除く): 83280760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 3259, 4072, 5090, 6518, 10180, 13036, 16295, 20360, 26072, 32590, 65180, 130360, 1658831, 3317662, 6635324, 8294155, 13270648, 16588310, 33176620, 66353240]

約数ペア:

[(1, 66353240), (2, 33176620), (4, 16588310), (5, 13270648), (8, 8294155), (10, 6635324), (20, 3317662), (40, 1658831), (509, 130360), (1018, 65180), (2036, 32590), (2545, 26072), (3259, 20360), (4072, 16295), (5090, 13036), (6518, 10180)]