16388808880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{10909}}^1$

素因数の和:11222

約数の個数: 80

約数和(自身を含む): 38718280800

約数和(自身を除く): 22329471920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 211, 356, 422, 445, 712, 844, 890, 1055, 1424, 1688, 1780, 2110, 3376, 3560, 4220, 7120, 8440, 10909, 16880, 18779, 21818, 37558, 43636, 54545, 75116, 87272, 93895, 109090, 150232, 174544, 187790, 218180, 300464, 375580, 436360, 751160, 872720, 970901, 1502320, 1941802, 2301799, 3883604, 4603598, 4854505, 7767208, 9207196, 9709010, 11508995, 15534416, 18414392, 19418020, 23017990, 36828784, 38836040, 46035980, 77672080, 92071960, 184143920, 204860111, 409720222, 819440444, 1024300555, 1638880888, 2048601110, 3277761776, 4097202220, 8194404440, 16388808880]

約数ペア:

[(1, 16388808880), (2, 8194404440), (4, 4097202220), (5, 3277761776), (8, 2048601110), (10, 1638880888), (16, 1024300555), (20, 819440444), (40, 409720222), (80, 204860111), (89, 184143920), (178, 92071960), (211, 77672080), (356, 46035980), (422, 38836040), (445, 36828784), (712, 23017990), (844, 19418020), (890, 18414392), (1055, 15534416), (1424, 11508995), (1688, 9709010), (1780, 9207196), (2110, 7767208), (3376, 4854505), (3560, 4603598), (4220, 3883604), (7120, 2301799), (8440, 1941802), (10909, 1502320), (16880, 970901), (18779, 872720), (21818, 751160), (37558, 436360), (43636, 375580), (54545, 300464), (75116, 218180), (87272, 187790), (93895, 174544), (109090, 150232)]