4029440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{787}}^1$

素因数の和:812

約数の個数: 44

約数和(自身を含む): 9678216

約数和(自身を除く): 5648776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 787, 1024, 1280, 1574, 2560, 3148, 3935, 5120, 6296, 7870, 12592, 15740, 25184, 31480, 50368, 62960, 100736, 125920, 201472, 251840, 402944, 503680, 805888, 1007360, 2014720, 4029440]

約数ペア:

[(1, 4029440), (2, 2014720), (4, 1007360), (5, 805888), (8, 503680), (10, 402944), (16, 251840), (20, 201472), (32, 125920), (40, 100736), (64, 62960), (80, 50368), (128, 31480), (160, 25184), (256, 15740), (320, 12592), (512, 7870), (640, 6296), (787, 5120), (1024, 3935), (1280, 3148), (1574, 2560)]