25231520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5087}}^1$

素因数の和:5133

約数の個数: 48

約数和(自身を含む): 61544448

約数和(自身を除く): 36312928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5087, 10174, 20348, 25435, 40696, 50870, 81392, 101740, 157697, 162784, 203480, 315394, 406960, 630788, 788485, 813920, 1261576, 1576970, 2523152, 3153940, 5046304, 6307880, 12615760, 25231520]

約数ペア:

[(1, 25231520), (2, 12615760), (4, 6307880), (5, 5046304), (8, 3153940), (10, 2523152), (16, 1576970), (20, 1261576), (31, 813920), (32, 788485), (40, 630788), (62, 406960), (80, 315394), (124, 203480), (155, 162784), (160, 157697), (248, 101740), (310, 81392), (496, 50870), (620, 40696), (992, 25435), (1240, 20348), (2480, 10174), (4960, 5087)]