16995320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 40249440

約数和(自身を除く): 23254120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 241, 328, 344, 410, 430, 482, 820, 860, 964, 1205, 1640, 1720, 1763, 1928, 2410, 3526, 4820, 7052, 8815, 9640, 9881, 10363, 14104, 17630, 19762, 20726, 35260, 39524, 41452, 49405, 51815, 70520, 79048, 82904, 98810, 103630, 197620, 207260, 395240, 414520, 424883, 849766, 1699532, 2124415, 3399064, 4248830, 8497660, 16995320]

約数ペア:

[(1, 16995320), (2, 8497660), (4, 4248830), (5, 3399064), (8, 2124415), (10, 1699532), (20, 849766), (40, 424883), (41, 414520), (43, 395240), (82, 207260), (86, 197620), (164, 103630), (172, 98810), (205, 82904), (215, 79048), (241, 70520), (328, 51815), (344, 49405), (410, 41452), (430, 39524), (482, 35260), (820, 20726), (860, 19762), (964, 17630), (1205, 14104), (1640, 10363), (1720, 9881), (1763, 9640), (1928, 8815), (2410, 7052), (3526, 4820)]