396136240

素因数分解:

$2^4\times 5^1\times {\mathrm{4951703}}^1$

素因数の和:4951716

約数の個数: 20

約数和(自身を含む): 921016944

約数和(自身を除く): 524880704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4951703, 9903406, 19806812, 24758515, 39613624, 49517030, 79227248, 99034060, 198068120, 396136240]

約数ペア:

[(1, 396136240), (2, 198068120), (4, 99034060), (5, 79227248), (8, 49517030), (10, 39613624), (16, 24758515), (20, 19806812), (40, 9903406), (80, 4951703)]