51331480

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3877}}^1$

素因数の和:4219

約数の個数: 32

約数和(自身を含む): 115874640

約数和(自身を除く): 64543160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 3877, 6620, 7754, 13240, 15508, 19385, 31016, 38770, 77540, 155080, 1283287, 2566574, 5133148, 6416435, 10266296, 12832870, 25665740, 51331480]

約数ペア:

[(1, 51331480), (2, 25665740), (4, 12832870), (5, 10266296), (8, 6416435), (10, 5133148), (20, 2566574), (40, 1283287), (331, 155080), (662, 77540), (1324, 38770), (1655, 31016), (2648, 19385), (3310, 15508), (3877, 13240), (6620, 7754)]