74259820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{41719}}^1$

素因数の和:41817

約数の個数: 24

約数和(自身を含む): 157701600

約数和(自身を除く): 83441780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 41719, 83438, 166876, 208595, 417190, 834380, 3712991, 7425982, 14851964, 18564955, 37129910, 74259820]

約数ペア:

[(1, 74259820), (2, 37129910), (4, 18564955), (5, 14851964), (10, 7425982), (20, 3712991), (89, 834380), (178, 417190), (356, 208595), (445, 166876), (890, 83438), (1780, 41719)]