48789520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 125116992

約数和(自身を除く): 76327472

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, 1091, 1118, 1720, 2182, 2236, 2795, 3440, 4364, 4472, 5455, 5590, 8728, 8944, 10910, 11180, 14183, 17456, 21820, 22360, 28366, 43640, 44720, 46913, 56732, 70915, 87280, 93826, 113464, 141830, 187652, 226928, 234565, 283660, 375304, 469130, 567320, 609869, 750608, 938260, 1134640, 1219738, 1876520, 2439476, 3049345, 3753040, 4878952, 6098690, 9757904, 12197380, 24394760, 48789520]

約数ペア:

[(1, 48789520), (2, 24394760), (4, 12197380), (5, 9757904), (8, 6098690), (10, 4878952), (13, 3753040), (16, 3049345), (20, 2439476), (26, 1876520), (40, 1219738), (43, 1134640), (52, 938260), (65, 750608), (80, 609869), (86, 567320), (104, 469130), (130, 375304), (172, 283660), (208, 234565), (215, 226928), (260, 187652), (344, 141830), (430, 113464), (520, 93826), (559, 87280), (688, 70915), (860, 56732), (1040, 46913), (1091, 44720), (1118, 43640), (1720, 28366), (2182, 22360), (2236, 21820), (2795, 17456), (3440, 14183), (4364, 11180), (4472, 10910), (5455, 8944), (5590, 8728)]