4978520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1753}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 11365920

約数和(自身を除く): 6387400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1753, 2840, 3506, 7012, 8765, 14024, 17530, 35060, 70120, 124463, 248926, 497852, 622315, 995704, 1244630, 2489260, 4978520]

約数ペア:

[(1, 4978520), (2, 2489260), (4, 1244630), (5, 995704), (8, 622315), (10, 497852), (20, 248926), (40, 124463), (71, 70120), (142, 35060), (284, 17530), (355, 14024), (568, 8765), (710, 7012), (1420, 3506), (1753, 2840)]