12615760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5087}}^1$

素因数の和:5131

約数の個数: 40

約数和(自身を含む): 30283776

約数和(自身を除く): 17668016

約数列:

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

約数ペア:

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