18288560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7883}}^1$

素因数の和:7925

約数の個数: 40

約数和(自身を含む): 43992720

約数和(自身を除く): 25704160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7883, 15766, 31532, 39415, 63064, 78830, 126128, 157660, 228607, 315320, 457214, 630640, 914428, 1143035, 1828856, 2286070, 3657712, 4572140, 9144280, 18288560]

約数ペア:

[(1, 18288560), (2, 9144280), (4, 4572140), (5, 3657712), (8, 2286070), (10, 1828856), (16, 1143035), (20, 914428), (29, 630640), (40, 457214), (58, 315320), (80, 228607), (116, 157660), (145, 126128), (232, 78830), (290, 63064), (464, 39415), (580, 31532), (1160, 15766), (2320, 7883)]