4099840

素因数分解:

$2^8\times 5^1\times {\mathrm{3203}}^1$

素因数の和:3224

約数の個数: 36

約数和(自身を含む): 9823464

約数和(自身を除く): 5723624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 3203, 6406, 12812, 16015, 25624, 32030, 51248, 64060, 102496, 128120, 204992, 256240, 409984, 512480, 819968, 1024960, 2049920, 4099840]

約数ペア:

[(1, 4099840), (2, 2049920), (4, 1024960), (5, 819968), (8, 512480), (10, 409984), (16, 256240), (20, 204992), (32, 128120), (40, 102496), (64, 64060), (80, 51248), (128, 32030), (160, 25624), (256, 16015), (320, 12812), (640, 6406), (1280, 3203)]