39475840

素因数分解:

$2^7\times 5^1\times {\mathrm{61681}}^1$

素因数の和:61700

約数の個数: 32

約数和(自身を含む): 94373460

約数和(自身を除く): 54897620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 61681, 123362, 246724, 308405, 493448, 616810, 986896, 1233620, 1973792, 2467240, 3947584, 4934480, 7895168, 9868960, 19737920, 39475840]

約数ペア:

[(1, 39475840), (2, 19737920), (4, 9868960), (5, 7895168), (8, 4934480), (10, 3947584), (16, 2467240), (20, 1973792), (32, 1233620), (40, 986896), (64, 616810), (80, 493448), (128, 308405), (160, 246724), (320, 123362), (640, 61681)]