212533520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2080

約数の個数: 80

約数和(自身を含む): 522204672

約数和(自身を除く): 309671152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 1993, 2480, 2666, 3440, 3986, 5332, 6665, 7972, 9965, 10664, 13330, 15944, 19930, 21328, 26660, 31888, 39860, 53320, 61783, 79720, 85699, 106640, 123566, 159440, 171398, 247132, 308915, 342796, 428495, 494264, 617830, 685592, 856990, 988528, 1235660, 1371184, 1713980, 2471320, 2656669, 3427960, 4942640, 5313338, 6855920, 10626676, 13283345, 21253352, 26566690, 42506704, 53133380, 106266760, 212533520]

約数ペア:

[(1, 212533520), (2, 106266760), (4, 53133380), (5, 42506704), (8, 26566690), (10, 21253352), (16, 13283345), (20, 10626676), (31, 6855920), (40, 5313338), (43, 4942640), (62, 3427960), (80, 2656669), (86, 2471320), (124, 1713980), (155, 1371184), (172, 1235660), (215, 988528), (248, 856990), (310, 685592), (344, 617830), (430, 494264), (496, 428495), (620, 342796), (688, 308915), (860, 247132), (1240, 171398), (1333, 159440), (1720, 123566), (1993, 106640), (2480, 85699), (2666, 79720), (3440, 61783), (3986, 53320), (5332, 39860), (6665, 31888), (7972, 26660), (9965, 21328), (10664, 19930), (13330, 15944)]