82663767920

素因数分解:

$2^4\times 5^1\times {\mathrm{16381}}^1\times {\mathrm{63079}}^1$

素因数の和:79473

約数の個数: 40

約数和(自身を含む): 192208040160

約数和(自身を除く): 109544272240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16381, 32762, 63079, 65524, 81905, 126158, 131048, 163810, 252316, 262096, 315395, 327620, 504632, 630790, 655240, 1009264, 1261580, 1310480, 2523160, 5046320, 1033297099, 2066594198, 4133188396, 5166485495, 8266376792, 10332970990, 16532753584, 20665941980, 41331883960, 82663767920]

約数ペア:

[(1, 82663767920), (2, 41331883960), (4, 20665941980), (5, 16532753584), (8, 10332970990), (10, 8266376792), (16, 5166485495), (20, 4133188396), (40, 2066594198), (80, 1033297099), (16381, 5046320), (32762, 2523160), (63079, 1310480), (65524, 1261580), (81905, 1009264), (126158, 655240), (131048, 630790), (163810, 504632), (252316, 327620), (262096, 315395)]