29278720

素因数分解:

$2^9\times 5^1\times {\mathrm{11437}}^1$

素因数の和:11460

約数の個数: 40

約数和(自身を含む): 70206444

約数和(自身を除く): 40927724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 11437, 22874, 45748, 57185, 91496, 114370, 182992, 228740, 365984, 457480, 731968, 914960, 1463936, 1829920, 2927872, 3659840, 5855744, 7319680, 14639360, 29278720]

約数ペア:

[(1, 29278720), (2, 14639360), (4, 7319680), (5, 5855744), (8, 3659840), (10, 2927872), (16, 1829920), (20, 1463936), (32, 914960), (40, 731968), (64, 457480), (80, 365984), (128, 228740), (160, 182992), (256, 114370), (320, 91496), (512, 57185), (640, 45748), (1280, 22874), (2560, 11437)]