40959488

素因数分解:

$2^9\times {\mathrm{79999}}^1$

素因数の和:80017

約数の個数: 20

約数和(自身を含む): 81840000

約数和(自身を除く): 40880512

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 79999, 159998, 319996, 639992, 1279984, 2559968, 5119936, 10239872, 20479744, 40959488]

約数ペア:

[(1, 40959488), (2, 20479744), (4, 10239872), (8, 5119936), (16, 2559968), (32, 1279984), (64, 639992), (128, 319996), (256, 159998), (512, 79999)]