64476140

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{10501}}^1$

素因数の和:10817

約数の個数: 24

約数和(自身を含む): 135853872

約数和(自身を除く): 71377732

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 10501, 21002, 42004, 52505, 105010, 210020, 3223807, 6447614, 12895228, 16119035, 32238070, 64476140]

約数ペア:

[(1, 64476140), (2, 32238070), (4, 16119035), (5, 12895228), (10, 6447614), (20, 3223807), (307, 210020), (614, 105010), (1228, 52505), (1535, 42004), (3070, 21002), (6140, 10501)]