28152440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 37511560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 79, 118, 151, 158, 236, 295, 302, 316, 395, 472, 590, 604, 632, 755, 790, 1180, 1208, 1510, 1580, 2360, 3020, 3160, 4661, 6040, 8909, 9322, 11929, 17818, 18644, 23305, 23858, 35636, 37288, 44545, 46610, 47716, 59645, 71272, 89090, 93220, 95432, 119290, 178180, 186440, 238580, 356360, 477160, 703811, 1407622, 2815244, 3519055, 5630488, 7038110, 14076220, 28152440]

約数ペア:

[(1, 28152440), (2, 14076220), (4, 7038110), (5, 5630488), (8, 3519055), (10, 2815244), (20, 1407622), (40, 703811), (59, 477160), (79, 356360), (118, 238580), (151, 186440), (158, 178180), (236, 119290), (295, 95432), (302, 93220), (316, 89090), (395, 71272), (472, 59645), (590, 47716), (604, 46610), (632, 44545), (755, 37288), (790, 35636), (1180, 23858), (1208, 23305), (1510, 18644), (1580, 17818), (2360, 11929), (3020, 9322), (3160, 8909), (4661, 6040)]