89381920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1933}}^1$

素因数の和:1982

約数の個数: 72

約数和(自身を含む): 224432964

約数和(自身を除く): 135051044

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 1933, 2312, 2720, 2890, 3866, 4624, 5780, 7732, 9248, 9665, 11560, 15464, 19330, 23120, 30928, 32861, 38660, 46240, 61856, 65722, 77320, 131444, 154640, 164305, 262888, 309280, 328610, 525776, 558637, 657220, 1051552, 1117274, 1314440, 2234548, 2628880, 2793185, 4469096, 5257760, 5586370, 8938192, 11172740, 17876384, 22345480, 44690960, 89381920]

約数ペア:

[(1, 89381920), (2, 44690960), (4, 22345480), (5, 17876384), (8, 11172740), (10, 8938192), (16, 5586370), (17, 5257760), (20, 4469096), (32, 2793185), (34, 2628880), (40, 2234548), (68, 1314440), (80, 1117274), (85, 1051552), (136, 657220), (160, 558637), (170, 525776), (272, 328610), (289, 309280), (340, 262888), (544, 164305), (578, 154640), (680, 131444), (1156, 77320), (1360, 65722), (1445, 61856), (1933, 46240), (2312, 38660), (2720, 32861), (2890, 30928), (3866, 23120), (4624, 19330), (5780, 15464), (7732, 11560), (9248, 9665)]