20170124120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^3\times {\mathrm{73517}}^1$

素因数の和:73585

約数の個数: 64

約数和(自身を含む): 47904328800

約数和(自身を除く): 27734204680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 6859, 7220, 13718, 14440, 27436, 34295, 54872, 68590, 73517, 137180, 147034, 274360, 294068, 367585, 588136, 735170, 1396823, 1470340, 2793646, 2940680, 5587292, 6984115, 11174584, 13968230, 26539637, 27936460, 53079274, 55872920, 106158548, 132698185, 212317096, 265396370, 504253103, 530792740, 1008506206, 1061585480, 2017012412, 2521265515, 4034024824, 5042531030, 10085062060, 20170124120]

約数ペア:

[(1, 20170124120), (2, 10085062060), (4, 5042531030), (5, 4034024824), (8, 2521265515), (10, 2017012412), (19, 1061585480), (20, 1008506206), (38, 530792740), (40, 504253103), (76, 265396370), (95, 212317096), (152, 132698185), (190, 106158548), (361, 55872920), (380, 53079274), (722, 27936460), (760, 26539637), (1444, 13968230), (1805, 11174584), (2888, 6984115), (3610, 5587292), (6859, 2940680), (7220, 2793646), (13718, 1470340), (14440, 1396823), (27436, 735170), (34295, 588136), (54872, 367585), (68590, 294068), (73517, 274360), (137180, 147034)]