51450860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:2006

約数の個数: 48

約数和(自身を含む): 115395840

約数和(自身を除く): 63944980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 1907, 2698, 3814, 5396, 6745, 7628, 9535, 13490, 19070, 26980, 36233, 38140, 72466, 135397, 144932, 181165, 270794, 362330, 541588, 676985, 724660, 1353970, 2572543, 2707940, 5145086, 10290172, 12862715, 25725430, 51450860]

約数ペア:

[(1, 51450860), (2, 25725430), (4, 12862715), (5, 10290172), (10, 5145086), (19, 2707940), (20, 2572543), (38, 1353970), (71, 724660), (76, 676985), (95, 541588), (142, 362330), (190, 270794), (284, 181165), (355, 144932), (380, 135397), (710, 72466), (1349, 38140), (1420, 36233), (1907, 26980), (2698, 19070), (3814, 13490), (5396, 9535), (6745, 7628)]