23307520

素因数分解:

$2^8\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 56659680

約数和(自身を除く): 33352160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 139, 160, 256, 262, 278, 320, 524, 556, 640, 655, 695, 1048, 1112, 1280, 1310, 1390, 2096, 2224, 2620, 2780, 4192, 4448, 5240, 5560, 8384, 8896, 10480, 11120, 16768, 17792, 18209, 20960, 22240, 33536, 35584, 36418, 41920, 44480, 72836, 83840, 88960, 91045, 145672, 167680, 177920, 182090, 291344, 364180, 582688, 728360, 1165376, 1456720, 2330752, 2913440, 4661504, 5826880, 11653760, 23307520]

約数ペア:

[(1, 23307520), (2, 11653760), (4, 5826880), (5, 4661504), (8, 2913440), (10, 2330752), (16, 1456720), (20, 1165376), (32, 728360), (40, 582688), (64, 364180), (80, 291344), (128, 182090), (131, 177920), (139, 167680), (160, 145672), (256, 91045), (262, 88960), (278, 83840), (320, 72836), (524, 44480), (556, 41920), (640, 36418), (655, 35584), (695, 33536), (1048, 22240), (1112, 20960), (1280, 18209), (1310, 17792), (1390, 16768), (2096, 11120), (2224, 10480), (2620, 8896), (2780, 8384), (4192, 5560), (4448, 5240)]