80641024

素因数分解:

$2^{10}\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1372

約数の個数: 44

約数和(自身を含む): 163972888

約数和(自身を除く): 83331864

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 976, 1024, 1291, 1952, 2582, 3904, 5164, 7808, 10328, 15616, 20656, 31232, 41312, 62464, 78751, 82624, 157502, 165248, 315004, 330496, 630008, 660992, 1260016, 1321984, 2520032, 5040064, 10080128, 20160256, 40320512, 80641024]

約数ペア:

[(1, 80641024), (2, 40320512), (4, 20160256), (8, 10080128), (16, 5040064), (32, 2520032), (61, 1321984), (64, 1260016), (122, 660992), (128, 630008), (244, 330496), (256, 315004), (488, 165248), (512, 157502), (976, 82624), (1024, 78751), (1291, 62464), (1952, 41312), (2582, 31232), (3904, 20656), (5164, 15616), (7808, 10328)]