20144984480

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1\times {\mathrm{1879}}^1$

素因数の和:3742

約数の個数: 96

約数和(自身を含む): 48931827840

約数和(自身を除く): 28786843360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 1811, 1879, 2960, 3622, 3758, 5920, 7244, 7516, 9055, 9395, 14488, 15032, 18110, 18790, 28976, 30064, 36220, 37580, 57952, 60128, 67007, 69523, 72440, 75160, 134014, 139046, 144880, 150320, 268028, 278092, 289760, 300640, 335035, 347615, 536056, 556184, 670070, 695230, 1072112, 1112368, 1340140, 1390460, 2144224, 2224736, 2680280, 2780920, 3402869, 5360560, 5561840, 6805738, 10721120, 11123680, 13611476, 17014345, 27222952, 34028690, 54445904, 68057380, 108891808, 125906153, 136114760, 251812306, 272229520, 503624612, 544459040, 629530765, 1007249224, 1259061530, 2014498448, 2518123060, 4028996896, 5036246120, 10072492240, 20144984480]

約数ペア:

[(1, 20144984480), (2, 10072492240), (4, 5036246120), (5, 4028996896), (8, 2518123060), (10, 2014498448), (16, 1259061530), (20, 1007249224), (32, 629530765), (37, 544459040), (40, 503624612), (74, 272229520), (80, 251812306), (148, 136114760), (160, 125906153), (185, 108891808), (296, 68057380), (370, 54445904), (592, 34028690), (740, 27222952), (1184, 17014345), (1480, 13611476), (1811, 11123680), (1879, 10721120), (2960, 6805738), (3622, 5561840), (3758, 5360560), (5920, 3402869), (7244, 2780920), (7516, 2680280), (9055, 2224736), (9395, 2144224), (14488, 1390460), (15032, 1340140), (18110, 1112368), (18790, 1072112), (28976, 695230), (30064, 670070), (36220, 556184), (37580, 536056), (57952, 347615), (60128, 335035), (67007, 300640), (69523, 289760), (72440, 278092), (75160, 268028), (134014, 150320), (139046, 144880)]