1400320

素因数分解:

$2^9\times 5^1\times {\mathrm{547}}^1$

素因数の和:570

約数の個数: 40

約数和(自身を含む): 3363624

約数和(自身を除く): 1963304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 547, 640, 1094, 1280, 2188, 2560, 2735, 4376, 5470, 8752, 10940, 17504, 21880, 35008, 43760, 70016, 87520, 140032, 175040, 280064, 350080, 700160, 1400320]

約数ペア:

[(1, 1400320), (2, 700160), (4, 350080), (5, 280064), (8, 175040), (10, 140032), (16, 87520), (20, 70016), (32, 43760), (40, 35008), (64, 21880), (80, 17504), (128, 10940), (160, 8752), (256, 5470), (320, 4376), (512, 2735), (547, 2560), (640, 2188), (1094, 1280)]