28033420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 61937568

約数和(自身を除く): 33904148

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 881, 1591, 1762, 3182, 3524, 4405, 6364, 7955, 8810, 15910, 17620, 31820, 32597, 37883, 65194, 75766, 130388, 151532, 162985, 189415, 325970, 378830, 651940, 757660, 1401671, 2803342, 5606684, 7008355, 14016710, 28033420]

約数ペア:

[(1, 28033420), (2, 14016710), (4, 7008355), (5, 5606684), (10, 2803342), (20, 1401671), (37, 757660), (43, 651940), (74, 378830), (86, 325970), (148, 189415), (172, 162985), (185, 151532), (215, 130388), (370, 75766), (430, 65194), (740, 37883), (860, 32597), (881, 31820), (1591, 17620), (1762, 15910), (3182, 8810), (3524, 7955), (4405, 6364)]