16888941820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:931

約数の個数: 96

約数和(自身を含む): 36528662016

約数和(自身を除く): 19639720196

約数列:

[1, 2, 4, 5, 10, 20, 71, 131, 142, 163, 262, 284, 326, 355, 524, 557, 652, 655, 710, 815, 1114, 1310, 1420, 1630, 2228, 2620, 2785, 3260, 5570, 9301, 11140, 11573, 18602, 21353, 23146, 37204, 39547, 42706, 46292, 46505, 57865, 72967, 79094, 85412, 90791, 93010, 106765, 115730, 145934, 158188, 181582, 186020, 197735, 213530, 231460, 291868, 363164, 364835, 395470, 427060, 453955, 729670, 790940, 907910, 1459340, 1516063, 1815820, 3032126, 5180657, 6064252, 6446161, 7580315, 10361314, 11893621, 12892322, 15160630, 20722628, 23787242, 25784644, 25903285, 30321260, 32230805, 47574484, 51806570, 59468105, 64461610, 103613140, 118936210, 128923220, 237872420, 844447091, 1688894182, 3377788364, 4222235455, 8444470910, 16888941820]

約数ペア:

[(1, 16888941820), (2, 8444470910), (4, 4222235455), (5, 3377788364), (10, 1688894182), (20, 844447091), (71, 237872420), (131, 128923220), (142, 118936210), (163, 103613140), (262, 64461610), (284, 59468105), (326, 51806570), (355, 47574484), (524, 32230805), (557, 30321260), (652, 25903285), (655, 25784644), (710, 23787242), (815, 20722628), (1114, 15160630), (1310, 12892322), (1420, 11893621), (1630, 10361314), (2228, 7580315), (2620, 6446161), (2785, 6064252), (3260, 5180657), (5570, 3032126), (9301, 1815820), (11140, 1516063), (11573, 1459340), (18602, 907910), (21353, 790940), (23146, 729670), (37204, 453955), (39547, 427060), (42706, 395470), (46292, 364835), (46505, 363164), (57865, 291868), (72967, 231460), (79094, 213530), (85412, 197735), (90791, 186020), (93010, 181582), (106765, 158188), (115730, 145934)]