2485760

素因数分解:

$2^9\times 5^1\times {\mathrm{971}}^1$

素因数の和:994

約数の個数: 40

約数和(自身を含む): 5966136

約数和(自身を除く): 3480376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 971, 1280, 1942, 2560, 3884, 4855, 7768, 9710, 15536, 19420, 31072, 38840, 62144, 77680, 124288, 155360, 248576, 310720, 497152, 621440, 1242880, 2485760]

約数ペア:

[(1, 2485760), (2, 1242880), (4, 621440), (5, 497152), (8, 310720), (10, 248576), (16, 155360), (20, 124288), (32, 77680), (40, 62144), (64, 38840), (80, 31072), (128, 19420), (160, 15536), (256, 9710), (320, 7768), (512, 4855), (640, 3884), (971, 2560), (1280, 1942)]