40864640

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{953}}^1$

素因数の和:1039

約数の個数: 64

約数和(自身を含む): 99254160

約数和(自身を除く): 58389520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 953, 1072, 1340, 1906, 2144, 2680, 3812, 4288, 4765, 5360, 7624, 8576, 9530, 10720, 15248, 19060, 21440, 30496, 38120, 42880, 60992, 63851, 76240, 121984, 127702, 152480, 255404, 304960, 319255, 510808, 609920, 638510, 1021616, 1277020, 2043232, 2554040, 4086464, 5108080, 8172928, 10216160, 20432320, 40864640]

約数ペア:

[(1, 40864640), (2, 20432320), (4, 10216160), (5, 8172928), (8, 5108080), (10, 4086464), (16, 2554040), (20, 2043232), (32, 1277020), (40, 1021616), (64, 638510), (67, 609920), (80, 510808), (128, 319255), (134, 304960), (160, 255404), (268, 152480), (320, 127702), (335, 121984), (536, 76240), (640, 63851), (670, 60992), (953, 42880), (1072, 38120), (1340, 30496), (1906, 21440), (2144, 19060), (2680, 15248), (3812, 10720), (4288, 9530), (4765, 8576), (5360, 7624)]