88909040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1518

約数の個数: 80

約数和(自身を含む): 228842496

約数和(自身を除く): 139933456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1423, 1562, 2840, 2846, 3124, 3905, 5680, 5692, 6248, 7115, 7810, 11384, 12496, 14230, 15620, 15653, 22768, 28460, 31240, 31306, 56920, 62480, 62612, 78265, 101033, 113840, 125224, 156530, 202066, 250448, 313060, 404132, 505165, 626120, 808264, 1010330, 1111363, 1252240, 1616528, 2020660, 2222726, 4041320, 4445452, 5556815, 8082640, 8890904, 11113630, 17781808, 22227260, 44454520, 88909040]

約数ペア:

[(1, 88909040), (2, 44454520), (4, 22227260), (5, 17781808), (8, 11113630), (10, 8890904), (11, 8082640), (16, 5556815), (20, 4445452), (22, 4041320), (40, 2222726), (44, 2020660), (55, 1616528), (71, 1252240), (80, 1111363), (88, 1010330), (110, 808264), (142, 626120), (176, 505165), (220, 404132), (284, 313060), (355, 250448), (440, 202066), (568, 156530), (710, 125224), (781, 113840), (880, 101033), (1136, 78265), (1420, 62612), (1423, 62480), (1562, 56920), (2840, 31306), (2846, 31240), (3124, 28460), (3905, 22768), (5680, 15653), (5692, 15620), (6248, 14230), (7115, 12496), (7810, 11384)]