961077520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21491}}^1$

素因数の和:21560

約数の個数: 80

約数和(自身を含む): 2462467392

約数和(自身を除く): 1501389872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 3440, 4472, 5590, 8944, 11180, 21491, 22360, 42982, 44720, 85964, 107455, 171928, 214910, 279383, 343856, 429820, 558766, 859640, 924113, 1117532, 1396915, 1719280, 1848226, 2235064, 2793830, 3696452, 4470128, 4620565, 5587660, 7392904, 9241130, 11175320, 12013469, 14785808, 18482260, 22350640, 24026938, 36964520, 48053876, 60067345, 73929040, 96107752, 120134690, 192215504, 240269380, 480538760, 961077520]

約数ペア:

[(1, 961077520), (2, 480538760), (4, 240269380), (5, 192215504), (8, 120134690), (10, 96107752), (13, 73929040), (16, 60067345), (20, 48053876), (26, 36964520), (40, 24026938), (43, 22350640), (52, 18482260), (65, 14785808), (80, 12013469), (86, 11175320), (104, 9241130), (130, 7392904), (172, 5587660), (208, 4620565), (215, 4470128), (260, 3696452), (344, 2793830), (430, 2235064), (520, 1848226), (559, 1719280), (688, 1396915), (860, 1117532), (1040, 924113), (1118, 859640), (1720, 558766), (2236, 429820), (2795, 343856), (3440, 279383), (4472, 214910), (5590, 171928), (8944, 107455), (11180, 85964), (21491, 44720), (22360, 42982)]