40475240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 98778960

約数和(自身を除く): 58303720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 281, 520, 554, 562, 1108, 1124, 1385, 1405, 2216, 2248, 2770, 2810, 3601, 3653, 5540, 5620, 7202, 7306, 11080, 11240, 14404, 14612, 18005, 18265, 28808, 29224, 36010, 36530, 72020, 73060, 77837, 144040, 146120, 155674, 311348, 389185, 622696, 778370, 1011881, 1556740, 2023762, 3113480, 4047524, 5059405, 8095048, 10118810, 20237620, 40475240]

約数ペア:

[(1, 40475240), (2, 20237620), (4, 10118810), (5, 8095048), (8, 5059405), (10, 4047524), (13, 3113480), (20, 2023762), (26, 1556740), (40, 1011881), (52, 778370), (65, 622696), (104, 389185), (130, 311348), (260, 155674), (277, 146120), (281, 144040), (520, 77837), (554, 73060), (562, 72020), (1108, 36530), (1124, 36010), (1385, 29224), (1405, 28808), (2216, 18265), (2248, 18005), (2770, 14612), (2810, 14404), (3601, 11240), (3653, 11080), (5540, 7306), (5620, 7202)]