2049920

素因数分解:

$2^7\times 5^1\times {\mathrm{3203}}^1$

素因数の和:3222

約数の個数: 32

約数和(自身を含む): 4902120

約数和(自身を除く): 2852200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3203, 6406, 12812, 16015, 25624, 32030, 51248, 64060, 102496, 128120, 204992, 256240, 409984, 512480, 1024960, 2049920]

約数ペア:

[(1, 2049920), (2, 1024960), (4, 512480), (5, 409984), (8, 256240), (10, 204992), (16, 128120), (20, 102496), (32, 64060), (40, 51248), (64, 32030), (80, 25624), (128, 16015), (160, 12812), (320, 6406), (640, 3203)]