24887960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6991}}^1$

素因数の和:7091

約数の個数: 32

約数和(自身を含む): 56635200

約数和(自身を除く): 31747240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6991, 13982, 27964, 34955, 55928, 69910, 139820, 279640, 622199, 1244398, 2488796, 3110995, 4977592, 6221990, 12443980, 24887960]

約数ペア:

[(1, 24887960), (2, 12443980), (4, 6221990), (5, 4977592), (8, 3110995), (10, 2488796), (20, 1244398), (40, 622199), (89, 279640), (178, 139820), (356, 69910), (445, 55928), (712, 34955), (890, 27964), (1780, 13982), (3560, 6991)]