4013440

素因数分解:

$2^7\times 5^1\times {\mathrm{6271}}^1$

素因数の和:6290

約数の個数: 32

約数和(自身を含む): 9596160

約数和(自身を除く): 5582720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 6271, 12542, 25084, 31355, 50168, 62710, 100336, 125420, 200672, 250840, 401344, 501680, 802688, 1003360, 2006720, 4013440]

約数ペア:

[(1, 4013440), (2, 2006720), (4, 1003360), (5, 802688), (8, 501680), (10, 401344), (16, 250840), (20, 200672), (32, 125420), (40, 100336), (64, 62710), (80, 50168), (128, 31355), (160, 25084), (320, 12542), (640, 6271)]