1296752420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{4937}}^1$

素因数の和:5540

約数の個数: 48

約数和(自身を含む): 2847132288

約数和(自身を除く): 1550379868

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 571, 1142, 2284, 2855, 4937, 5710, 9874, 11420, 13133, 19748, 24685, 26266, 49370, 52532, 65665, 98740, 113551, 131330, 227102, 262660, 454204, 567755, 1135510, 2271020, 2819027, 5638054, 11276108, 14095135, 28190270, 56380540, 64837621, 129675242, 259350484, 324188105, 648376210, 1296752420]

約数ペア:

[(1, 1296752420), (2, 648376210), (4, 324188105), (5, 259350484), (10, 129675242), (20, 64837621), (23, 56380540), (46, 28190270), (92, 14095135), (115, 11276108), (230, 5638054), (460, 2819027), (571, 2271020), (1142, 1135510), (2284, 567755), (2855, 454204), (4937, 262660), (5710, 227102), (9874, 131330), (11420, 113551), (13133, 98740), (19748, 65665), (24685, 52532), (26266, 49370)]