55456640

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1279

約数の個数: 64

約数和(自身を含む): 134505360

約数和(自身を除く): 79048720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 640, 730, 1168, 1187, 1460, 2336, 2374, 2920, 4672, 4748, 5840, 5935, 9344, 9496, 11680, 11870, 18992, 23360, 23740, 37984, 46720, 47480, 75968, 86651, 94960, 151936, 173302, 189920, 346604, 379840, 433255, 693208, 759680, 866510, 1386416, 1733020, 2772832, 3466040, 5545664, 6932080, 11091328, 13864160, 27728320, 55456640]

約数ペア:

[(1, 55456640), (2, 27728320), (4, 13864160), (5, 11091328), (8, 6932080), (10, 5545664), (16, 3466040), (20, 2772832), (32, 1733020), (40, 1386416), (64, 866510), (73, 759680), (80, 693208), (128, 433255), (146, 379840), (160, 346604), (292, 189920), (320, 173302), (365, 151936), (584, 94960), (640, 86651), (730, 75968), (1168, 47480), (1187, 46720), (1460, 37984), (2336, 23740), (2374, 23360), (2920, 18992), (4672, 11870), (4748, 11680), (5840, 9496), (5935, 9344)]