4397440

素因数分解:

$2^7\times 5^1\times {\mathrm{6871}}^1$

素因数の和:6890

約数の個数: 32

約数和(自身を含む): 10514160

約数和(自身を除く): 6116720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 6871, 13742, 27484, 34355, 54968, 68710, 109936, 137420, 219872, 274840, 439744, 549680, 879488, 1099360, 2198720, 4397440]

約数ペア:

[(1, 4397440), (2, 2198720), (4, 1099360), (5, 879488), (8, 549680), (10, 439744), (16, 274840), (20, 219872), (32, 137420), (40, 109936), (64, 68710), (80, 54968), (128, 34355), (160, 27484), (320, 13742), (640, 6871)]