28576240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4639}}^1$

素因数の和:4670

約数の個数: 80

約数和(自身を含む): 82851840

約数和(自身を除く): 54275600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 4639, 6160, 9278, 18556, 23195, 32473, 37112, 46390, 51029, 64946, 74224, 92780, 102058, 129892, 162365, 185560, 204116, 255145, 259784, 324730, 357203, 371120, 408232, 510290, 519568, 649460, 714406, 816464, 1020580, 1298920, 1428812, 1786015, 2041160, 2597840, 2857624, 3572030, 4082320, 5715248, 7144060, 14288120, 28576240]

約数ペア:

[(1, 28576240), (2, 14288120), (4, 7144060), (5, 5715248), (7, 4082320), (8, 3572030), (10, 2857624), (11, 2597840), (14, 2041160), (16, 1786015), (20, 1428812), (22, 1298920), (28, 1020580), (35, 816464), (40, 714406), (44, 649460), (55, 519568), (56, 510290), (70, 408232), (77, 371120), (80, 357203), (88, 324730), (110, 259784), (112, 255145), (140, 204116), (154, 185560), (176, 162365), (220, 129892), (280, 102058), (308, 92780), (385, 74224), (440, 64946), (560, 51029), (616, 46390), (770, 37112), (880, 32473), (1232, 23195), (1540, 18556), (3080, 9278), (4639, 6160)]