38483840

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 92828160

約数和(自身を除く): 54344320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 314, 320, 383, 628, 640, 766, 785, 1256, 1532, 1570, 1915, 2512, 3064, 3140, 3830, 5024, 6128, 6280, 7660, 10048, 12256, 12560, 15320, 20096, 24512, 25120, 30640, 49024, 50240, 60131, 61280, 100480, 120262, 122560, 240524, 245120, 300655, 481048, 601310, 962096, 1202620, 1924192, 2405240, 3848384, 4810480, 7696768, 9620960, 19241920, 38483840]

約数ペア:

[(1, 38483840), (2, 19241920), (4, 9620960), (5, 7696768), (8, 4810480), (10, 3848384), (16, 2405240), (20, 1924192), (32, 1202620), (40, 962096), (64, 601310), (80, 481048), (128, 300655), (157, 245120), (160, 240524), (314, 122560), (320, 120262), (383, 100480), (628, 61280), (640, 60131), (766, 50240), (785, 49024), (1256, 30640), (1532, 25120), (1570, 24512), (1915, 20096), (2512, 15320), (3064, 12560), (3140, 12256), (3830, 10048), (5024, 7660), (6128, 6280)]