86722520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 201208320

約数和(自身を除く): 114485800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 163, 188, 235, 283, 326, 376, 470, 566, 652, 815, 940, 1132, 1304, 1415, 1630, 1880, 2264, 2830, 3260, 5660, 6520, 7661, 11320, 13301, 15322, 26602, 30644, 38305, 46129, 53204, 61288, 66505, 76610, 92258, 106408, 133010, 153220, 184516, 230645, 266020, 306440, 369032, 461290, 532040, 922580, 1845160, 2168063, 4336126, 8672252, 10840315, 17344504, 21680630, 43361260, 86722520]

約数ペア:

[(1, 86722520), (2, 43361260), (4, 21680630), (5, 17344504), (8, 10840315), (10, 8672252), (20, 4336126), (40, 2168063), (47, 1845160), (94, 922580), (163, 532040), (188, 461290), (235, 369032), (283, 306440), (326, 266020), (376, 230645), (470, 184516), (566, 153220), (652, 133010), (815, 106408), (940, 92258), (1132, 76610), (1304, 66505), (1415, 61288), (1630, 53204), (1880, 46129), (2264, 38305), (2830, 30644), (3260, 26602), (5660, 15322), (6520, 13301), (7661, 11320)]