69885320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 164989440

約数和(自身を除く): 95104120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 991, 1640, 1720, 1763, 1982, 3526, 3964, 4955, 7052, 7928, 8815, 9910, 14104, 17630, 19820, 35260, 39640, 40631, 42613, 70520, 81262, 85226, 162524, 170452, 203155, 213065, 325048, 340904, 406310, 426130, 812620, 852260, 1625240, 1704520, 1747133, 3494266, 6988532, 8735665, 13977064, 17471330, 34942660, 69885320]

約数ペア:

[(1, 69885320), (2, 34942660), (4, 17471330), (5, 13977064), (8, 8735665), (10, 6988532), (20, 3494266), (40, 1747133), (41, 1704520), (43, 1625240), (82, 852260), (86, 812620), (164, 426130), (172, 406310), (205, 340904), (215, 325048), (328, 213065), (344, 203155), (410, 170452), (430, 162524), (820, 85226), (860, 81262), (991, 70520), (1640, 42613), (1720, 40631), (1763, 39640), (1982, 35260), (3526, 19820), (3964, 17630), (4955, 14104), (7052, 9910), (7928, 8815)]