51719680

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 80

約数和(自身を含む): 125951760

約数和(自身を除く): 74232080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 227, 256, 320, 356, 445, 454, 512, 640, 712, 890, 908, 1135, 1280, 1424, 1780, 1816, 2270, 2560, 2848, 3560, 3632, 4540, 5696, 7120, 7264, 9080, 11392, 14240, 14528, 18160, 20203, 22784, 28480, 29056, 36320, 40406, 45568, 56960, 58112, 72640, 80812, 101015, 113920, 116224, 145280, 161624, 202030, 227840, 290560, 323248, 404060, 581120, 646496, 808120, 1292992, 1616240, 2585984, 3232480, 5171968, 6464960, 10343936, 12929920, 25859840, 51719680]

約数ペア:

[(1, 51719680), (2, 25859840), (4, 12929920), (5, 10343936), (8, 6464960), (10, 5171968), (16, 3232480), (20, 2585984), (32, 1616240), (40, 1292992), (64, 808120), (80, 646496), (89, 581120), (128, 404060), (160, 323248), (178, 290560), (227, 227840), (256, 202030), (320, 161624), (356, 145280), (445, 116224), (454, 113920), (512, 101015), (640, 80812), (712, 72640), (890, 58112), (908, 56960), (1135, 45568), (1280, 40406), (1424, 36320), (1780, 29056), (1816, 28480), (2270, 22784), (2560, 20203), (2848, 18160), (3560, 14528), (3632, 14240), (4540, 11392), (5696, 9080), (7120, 7264)]