4439120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{7927}}^1$

素因数の和:7947

約数の個数: 40

約数和(自身を含む): 11796864

約数和(自身を除く): 7357744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 7927, 15854, 31708, 39635, 55489, 63416, 79270, 110978, 126832, 158540, 221956, 277445, 317080, 443912, 554890, 634160, 887824, 1109780, 2219560, 4439120]

約数ペア:

[(1, 4439120), (2, 2219560), (4, 1109780), (5, 887824), (7, 634160), (8, 554890), (10, 443912), (14, 317080), (16, 277445), (20, 221956), (28, 158540), (35, 126832), (40, 110978), (56, 79270), (70, 63416), (80, 55489), (112, 39635), (140, 31708), (280, 15854), (560, 7927)]