80639072

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 163270800

約数和(自身を除く): 82631728

約数列:

[1, 2, 4, 8, 16, 32, 61, 109, 122, 218, 244, 379, 436, 488, 758, 872, 976, 1516, 1744, 1952, 3032, 3488, 6064, 6649, 12128, 13298, 23119, 26596, 41311, 46238, 53192, 82622, 92476, 106384, 165244, 184952, 212768, 330488, 369904, 660976, 739808, 1321952, 2519971, 5039942, 10079884, 20159768, 40319536, 80639072]

約数ペア:

[(1, 80639072), (2, 40319536), (4, 20159768), (8, 10079884), (16, 5039942), (32, 2519971), (61, 1321952), (109, 739808), (122, 660976), (218, 369904), (244, 330488), (379, 212768), (436, 184952), (488, 165244), (758, 106384), (872, 92476), (976, 82622), (1516, 53192), (1744, 46238), (1952, 41311), (3032, 26596), (3488, 23119), (6064, 13298), (6649, 12128)]