4971520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{971}}^1$

素因数の和:996

約数の個数: 44

約数和(自身を含む): 11938104

約数和(自身を除く): 6966584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 971, 1024, 1280, 1942, 2560, 3884, 4855, 5120, 7768, 9710, 15536, 19420, 31072, 38840, 62144, 77680, 124288, 155360, 248576, 310720, 497152, 621440, 994304, 1242880, 2485760, 4971520]

約数ペア:

[(1, 4971520), (2, 2485760), (4, 1242880), (5, 994304), (8, 621440), (10, 497152), (16, 310720), (20, 248576), (32, 155360), (40, 124288), (64, 77680), (80, 62144), (128, 38840), (160, 31072), (256, 19420), (320, 15536), (512, 9710), (640, 7768), (971, 5120), (1024, 4855), (1280, 3884), (1942, 2560)]