40279040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{7867}}^1$

素因数の和:7892

約数の個数: 44

約数和(自身を含む): 96634776

約数和(自身を除く): 56355736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 7867, 15734, 31468, 39335, 62936, 78670, 125872, 157340, 251744, 314680, 503488, 629360, 1006976, 1258720, 2013952, 2517440, 4027904, 5034880, 8055808, 10069760, 20139520, 40279040]

約数ペア:

[(1, 40279040), (2, 20139520), (4, 10069760), (5, 8055808), (8, 5034880), (10, 4027904), (16, 2517440), (20, 2013952), (32, 1258720), (40, 1006976), (64, 629360), (80, 503488), (128, 314680), (160, 251744), (256, 157340), (320, 125872), (512, 78670), (640, 62936), (1024, 39335), (1280, 31468), (2560, 15734), (5120, 7867)]