65887960

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3301}}^1$

素因数の和:3811

約数の個数: 32

約数和(自身を含む): 148590000

約数和(自身を除く): 82702040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3301, 3992, 4990, 6602, 9980, 13204, 16505, 19960, 26408, 33010, 66020, 132040, 1647199, 3294398, 6588796, 8235995, 13177592, 16471990, 32943980, 65887960]

約数ペア:

[(1, 65887960), (2, 32943980), (4, 16471990), (5, 13177592), (8, 8235995), (10, 6588796), (20, 3294398), (40, 1647199), (499, 132040), (998, 66020), (1996, 33010), (2495, 26408), (3301, 19960), (3992, 16505), (4990, 13204), (6602, 9980)]