47542520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 110816640

約数和(自身を除く): 63274120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 211, 215, 262, 344, 422, 430, 524, 655, 844, 860, 1048, 1055, 1310, 1688, 1720, 2110, 2620, 4220, 5240, 5633, 8440, 9073, 11266, 18146, 22532, 27641, 28165, 36292, 45064, 45365, 55282, 56330, 72584, 90730, 110564, 112660, 138205, 181460, 221128, 225320, 276410, 362920, 552820, 1105640, 1188563, 2377126, 4754252, 5942815, 9508504, 11885630, 23771260, 47542520]

約数ペア:

[(1, 47542520), (2, 23771260), (4, 11885630), (5, 9508504), (8, 5942815), (10, 4754252), (20, 2377126), (40, 1188563), (43, 1105640), (86, 552820), (131, 362920), (172, 276410), (211, 225320), (215, 221128), (262, 181460), (344, 138205), (422, 112660), (430, 110564), (524, 90730), (655, 72584), (844, 56330), (860, 55282), (1048, 45365), (1055, 45064), (1310, 36292), (1688, 28165), (1720, 27641), (2110, 22532), (2620, 18146), (4220, 11266), (5240, 9073), (5633, 8440)]