26651440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4217}}^1$

素因数の和:4309

約数の個数: 40

約数和(自身を含む): 62763840

約数和(自身を除く): 36112400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4217, 6320, 8434, 16868, 21085, 33736, 42170, 67472, 84340, 168680, 333143, 337360, 666286, 1332572, 1665715, 2665144, 3331430, 5330288, 6662860, 13325720, 26651440]

約数ペア:

[(1, 26651440), (2, 13325720), (4, 6662860), (5, 5330288), (8, 3331430), (10, 2665144), (16, 1665715), (20, 1332572), (40, 666286), (79, 337360), (80, 333143), (158, 168680), (316, 84340), (395, 67472), (632, 42170), (790, 33736), (1264, 21085), (1580, 16868), (3160, 8434), (4217, 6320)]