2021093120

素因数分解:

$2^8\times 5^1\times {\mathrm{1578979}}^1$

素因数の和:1579000

約数の個数: 36

約数和(自身を含む): 4841152680

約数和(自身を除く): 2820059560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1578979, 3157958, 6315916, 7894895, 12631832, 15789790, 25263664, 31579580, 50527328, 63159160, 101054656, 126318320, 202109312, 252636640, 404218624, 505273280, 1010546560, 2021093120]

約数ペア:

[(1, 2021093120), (2, 1010546560), (4, 505273280), (5, 404218624), (8, 252636640), (10, 202109312), (16, 126318320), (20, 101054656), (32, 63159160), (40, 50527328), (64, 31579580), (80, 25263664), (128, 15789790), (160, 12631832), (256, 7894895), (320, 6315916), (640, 3157958), (1280, 1578979)]