88888280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3637}}^1$

素因数の和:3708

約数の個数: 64

約数和(自身を含む): 220026240

約数和(自身を除く): 131137960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 3637, 4888, 6110, 7274, 12220, 14548, 18185, 24440, 29096, 36370, 47281, 72740, 94562, 145480, 170939, 189124, 236405, 341878, 378248, 472810, 683756, 854695, 945620, 1367512, 1709390, 1891240, 2222207, 3418780, 4444414, 6837560, 8888828, 11111035, 17777656, 22222070, 44444140, 88888280]

約数ペア:

[(1, 88888280), (2, 44444140), (4, 22222070), (5, 17777656), (8, 11111035), (10, 8888828), (13, 6837560), (20, 4444414), (26, 3418780), (40, 2222207), (47, 1891240), (52, 1709390), (65, 1367512), (94, 945620), (104, 854695), (130, 683756), (188, 472810), (235, 378248), (260, 341878), (376, 236405), (470, 189124), (520, 170939), (611, 145480), (940, 94562), (1222, 72740), (1880, 47281), (2444, 36370), (3055, 29096), (3637, 24440), (4888, 18185), (6110, 14548), (7274, 12220)]