90828160

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1179

約数の個数: 64

約数和(自身を含む): 218912400

約数和(自身を除く): 128084240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1021, 1112, 1390, 2042, 2224, 2780, 4084, 4448, 5105, 5560, 8168, 8896, 10210, 11120, 16336, 17792, 20420, 22240, 32672, 40840, 44480, 65344, 81680, 88960, 130688, 141919, 163360, 283838, 326720, 567676, 653440, 709595, 1135352, 1419190, 2270704, 2838380, 4541408, 5676760, 9082816, 11353520, 18165632, 22707040, 45414080, 90828160]

約数ペア:

[(1, 90828160), (2, 45414080), (4, 22707040), (5, 18165632), (8, 11353520), (10, 9082816), (16, 5676760), (20, 4541408), (32, 2838380), (40, 2270704), (64, 1419190), (80, 1135352), (128, 709595), (139, 653440), (160, 567676), (278, 326720), (320, 283838), (556, 163360), (640, 141919), (695, 130688), (1021, 88960), (1112, 81680), (1390, 65344), (2042, 44480), (2224, 40840), (2780, 32672), (4084, 22240), (4448, 20420), (5105, 17792), (5560, 16336), (8168, 11120), (8896, 10210)]