23665720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 58242240

約数和(自身を除く): 34576520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 641, 710, 923, 1282, 1420, 1846, 2564, 2840, 3205, 3692, 4615, 5128, 6410, 7384, 8333, 9230, 12820, 16666, 18460, 25640, 33332, 36920, 41665, 45511, 66664, 83330, 91022, 166660, 182044, 227555, 333320, 364088, 455110, 591643, 910220, 1183286, 1820440, 2366572, 2958215, 4733144, 5916430, 11832860, 23665720]

約数ペア:

[(1, 23665720), (2, 11832860), (4, 5916430), (5, 4733144), (8, 2958215), (10, 2366572), (13, 1820440), (20, 1183286), (26, 910220), (40, 591643), (52, 455110), (65, 364088), (71, 333320), (104, 227555), (130, 182044), (142, 166660), (260, 91022), (284, 83330), (355, 66664), (520, 45511), (568, 41665), (641, 36920), (710, 33332), (923, 25640), (1282, 18460), (1420, 16666), (1846, 12820), (2564, 9230), (2840, 8333), (3205, 7384), (3692, 6410), (4615, 5128)]