28972040

素因数分解:

$2^3\times 5^1\times {\mathrm{773}}^1\times {\mathrm{937}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 65341080

約数和(自身を除く): 36369040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 773, 937, 1546, 1874, 3092, 3748, 3865, 4685, 6184, 7496, 7730, 9370, 15460, 18740, 30920, 37480, 724301, 1448602, 2897204, 3621505, 5794408, 7243010, 14486020, 28972040]

約数ペア:

[(1, 28972040), (2, 14486020), (4, 7243010), (5, 5794408), (8, 3621505), (10, 2897204), (20, 1448602), (40, 724301), (773, 37480), (937, 30920), (1546, 18740), (1874, 15460), (3092, 9370), (3748, 7730), (3865, 7496), (4685, 6184)]