25287040

素因数分解:

$2^7\times 5^1\times {\mathrm{39511}}^1$

素因数の和:39530

約数の個数: 32

約数和(自身を含む): 60453360

約数和(自身を除く): 35166320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39511, 79022, 158044, 197555, 316088, 395110, 632176, 790220, 1264352, 1580440, 2528704, 3160880, 5057408, 6321760, 12643520, 25287040]

約数ペア:

[(1, 25287040), (2, 12643520), (4, 6321760), (5, 5057408), (8, 3160880), (10, 2528704), (16, 1580440), (20, 1264352), (32, 790220), (40, 632176), (64, 395110), (80, 316088), (128, 197555), (160, 158044), (320, 79022), (640, 39511)]