40631720

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1153}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 91604520

約数和(自身を除く): 50972800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1153, 1762, 2306, 3524, 4405, 4612, 5765, 7048, 8810, 9224, 11530, 17620, 23060, 35240, 46120, 1015793, 2031586, 4063172, 5078965, 8126344, 10157930, 20315860, 40631720]

約数ペア:

[(1, 40631720), (2, 20315860), (4, 10157930), (5, 8126344), (8, 5078965), (10, 4063172), (20, 2031586), (40, 1015793), (881, 46120), (1153, 35240), (1762, 23060), (2306, 17620), (3524, 11530), (4405, 9224), (4612, 8810), (5765, 7048)]