49119760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 118831680

約数和(自身を除く): 69711920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 109, 131, 172, 215, 218, 262, 344, 430, 436, 524, 545, 655, 688, 860, 872, 1048, 1090, 1310, 1720, 1744, 2096, 2180, 2620, 3440, 4360, 4687, 5240, 5633, 8720, 9374, 10480, 11266, 14279, 18748, 22532, 23435, 28165, 28558, 37496, 45064, 46870, 56330, 57116, 71395, 74992, 90128, 93740, 112660, 114232, 142790, 187480, 225320, 228464, 285580, 374960, 450640, 571160, 613997, 1142320, 1227994, 2455988, 3069985, 4911976, 6139970, 9823952, 12279940, 24559880, 49119760]

約数ペア:

[(1, 49119760), (2, 24559880), (4, 12279940), (5, 9823952), (8, 6139970), (10, 4911976), (16, 3069985), (20, 2455988), (40, 1227994), (43, 1142320), (80, 613997), (86, 571160), (109, 450640), (131, 374960), (172, 285580), (215, 228464), (218, 225320), (262, 187480), (344, 142790), (430, 114232), (436, 112660), (524, 93740), (545, 90128), (655, 74992), (688, 71395), (860, 57116), (872, 56330), (1048, 46870), (1090, 45064), (1310, 37496), (1720, 28558), (1744, 28165), (2096, 23435), (2180, 22532), (2620, 18748), (3440, 14279), (4360, 11266), (4687, 10480), (5240, 9374), (5633, 8720)]