132012800

素因数分解:

$2^8\times 5^2\times {\mathrm{20627}}^1$

素因数の和:20653

約数の個数: 54

約数和(自身を含む): 326768148

約数和(自身を除く): 194755348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 20627, 41254, 82508, 103135, 165016, 206270, 330032, 412540, 515675, 660064, 825080, 1031350, 1320128, 1650160, 2062700, 2640256, 3300320, 4125400, 5280512, 6600640, 8250800, 13201280, 16501600, 26402560, 33003200, 66006400, 132012800]

約数ペア:

[(1, 132012800), (2, 66006400), (4, 33003200), (5, 26402560), (8, 16501600), (10, 13201280), (16, 8250800), (20, 6600640), (25, 5280512), (32, 4125400), (40, 3300320), (50, 2640256), (64, 2062700), (80, 1650160), (100, 1320128), (128, 1031350), (160, 825080), (200, 660064), (256, 515675), (320, 412540), (400, 330032), (640, 206270), (800, 165016), (1280, 103135), (1600, 82508), (3200, 41254), (6400, 20627)]