90169280

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6553}}^1$

素因数の和:6613

約数の個数: 56

約数和(自身を含む): 219742512

約数和(自身を除く): 129573232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6553, 6880, 13106, 13760, 26212, 32765, 52424, 65530, 104848, 131060, 209696, 262120, 281779, 419392, 524240, 563558, 1048480, 1127116, 1408895, 2096960, 2254232, 2817790, 4508464, 5635580, 9016928, 11271160, 18033856, 22542320, 45084640, 90169280]

約数ペア:

[(1, 90169280), (2, 45084640), (4, 22542320), (5, 18033856), (8, 11271160), (10, 9016928), (16, 5635580), (20, 4508464), (32, 2817790), (40, 2254232), (43, 2096960), (64, 1408895), (80, 1127116), (86, 1048480), (160, 563558), (172, 524240), (215, 419392), (320, 281779), (344, 262120), (430, 209696), (688, 131060), (860, 104848), (1376, 65530), (1720, 52424), (2752, 32765), (3440, 26212), (6553, 13760), (6880, 13106)]