72005904

素因数分解:

$2^4\times 3^2\times {\mathrm{500041}}^1$

素因数の和:500055

約数の個数: 30

約数和(自身を含む): 201516926

約数和(自身を除く): 129511022

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 500041, 1000082, 1500123, 2000164, 3000246, 4000328, 4500369, 6000492, 8000656, 9000738, 12000984, 18001476, 24001968, 36002952, 72005904]

約数ペア:

[(1, 72005904), (2, 36002952), (3, 24001968), (4, 18001476), (6, 12000984), (8, 9000738), (9, 8000656), (12, 6000492), (16, 4500369), (18, 4000328), (24, 3000246), (36, 2000164), (48, 1500123), (72, 1000082), (144, 500041)]