54489940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87887}}^1$

素因数の和:87927

約数の個数: 24

約数和(自身を含む): 118121472

約数和(自身を除く): 63631532

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 87887, 175774, 351548, 439435, 878870, 1757740, 2724497, 5448994, 10897988, 13622485, 27244970, 54489940]

約数ペア:

[(1, 54489940), (2, 27244970), (4, 13622485), (5, 10897988), (10, 5448994), (20, 2724497), (31, 1757740), (62, 878870), (124, 439435), (155, 351548), (310, 175774), (620, 87887)]