4145512180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{209581}}^1$

素因数の和:209656

約数の個数: 48

約数和(自身を含む): 9295380864

約数和(自身を除く): 5149868684

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 19780, 209581, 419162, 838324, 1047905, 2095810, 4191620, 4820363, 9011983, 9640726, 18023966, 19281452, 24101815, 36047932, 45059915, 48203630, 90119830, 96407260, 180239660, 207275609, 414551218, 829102436, 1036378045, 2072756090, 4145512180]

約数ペア:

[(1, 4145512180), (2, 2072756090), (4, 1036378045), (5, 829102436), (10, 414551218), (20, 207275609), (23, 180239660), (43, 96407260), (46, 90119830), (86, 48203630), (92, 45059915), (115, 36047932), (172, 24101815), (215, 19281452), (230, 18023966), (430, 9640726), (460, 9011983), (860, 4820363), (989, 4191620), (1978, 2095810), (3956, 1047905), (4945, 838324), (9890, 419162), (19780, 209581)]