28142240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25127}}^1$

素因数の和:25149

約数の個数: 48

約数和(自身を含む): 75987072

約数和(自身を除く): 47844832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25127, 50254, 100508, 125635, 175889, 201016, 251270, 351778, 402032, 502540, 703556, 804064, 879445, 1005080, 1407112, 1758890, 2010160, 2814224, 3517780, 4020320, 5628448, 7035560, 14071120, 28142240]

約数ペア:

[(1, 28142240), (2, 14071120), (4, 7035560), (5, 5628448), (7, 4020320), (8, 3517780), (10, 2814224), (14, 2010160), (16, 1758890), (20, 1407112), (28, 1005080), (32, 879445), (35, 804064), (40, 703556), (56, 502540), (70, 402032), (80, 351778), (112, 251270), (140, 201016), (160, 175889), (224, 125635), (280, 100508), (560, 50254), (1120, 25127)]