39842920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 97287120

約数和(自身を除く): 57444200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 386, 397, 520, 772, 794, 965, 1544, 1588, 1930, 1985, 2509, 3176, 3860, 3970, 5018, 5161, 7720, 7940, 10036, 10322, 12545, 15880, 20072, 20644, 25090, 25805, 41288, 50180, 51610, 76621, 100360, 103220, 153242, 206440, 306484, 383105, 612968, 766210, 996073, 1532420, 1992146, 3064840, 3984292, 4980365, 7968584, 9960730, 19921460, 39842920]

約数ペア:

[(1, 39842920), (2, 19921460), (4, 9960730), (5, 7968584), (8, 4980365), (10, 3984292), (13, 3064840), (20, 1992146), (26, 1532420), (40, 996073), (52, 766210), (65, 612968), (104, 383105), (130, 306484), (193, 206440), (260, 153242), (386, 103220), (397, 100360), (520, 76621), (772, 51610), (794, 50180), (965, 41288), (1544, 25805), (1588, 25090), (1930, 20644), (1985, 20072), (2509, 15880), (3176, 12545), (3860, 10322), (3970, 10036), (5018, 7940), (5161, 7720)]