1280512

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 40

約数和(自身を含む): 2663892

約数和(自身を除く): 1383380

約数列:

[1, 2, 4, 8, 16, 32, 41, 61, 64, 82, 122, 128, 164, 244, 256, 328, 488, 512, 656, 976, 1312, 1952, 2501, 2624, 3904, 5002, 5248, 7808, 10004, 10496, 15616, 20008, 20992, 31232, 40016, 80032, 160064, 320128, 640256, 1280512]

約数ペア:

[(1, 1280512), (2, 640256), (4, 320128), (8, 160064), (16, 80032), (32, 40016), (41, 31232), (61, 20992), (64, 20008), (82, 15616), (122, 10496), (128, 10004), (164, 7808), (244, 5248), (256, 5002), (328, 3904), (488, 2624), (512, 2501), (656, 1952), (976, 1312)]