89906560

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2381}}^1$

素因数の和:2459

約数の個数: 64

約数和(自身を含む): 218667600

約数和(自身を除く): 128761040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 590, 640, 944, 1180, 1888, 2360, 2381, 3776, 4720, 4762, 7552, 9440, 9524, 11905, 18880, 19048, 23810, 37760, 38096, 47620, 76192, 95240, 140479, 152384, 190480, 280958, 304768, 380960, 561916, 702395, 761920, 1123832, 1404790, 1523840, 2247664, 2809580, 4495328, 5619160, 8990656, 11238320, 17981312, 22476640, 44953280, 89906560]

約数ペア:

[(1, 89906560), (2, 44953280), (4, 22476640), (5, 17981312), (8, 11238320), (10, 8990656), (16, 5619160), (20, 4495328), (32, 2809580), (40, 2247664), (59, 1523840), (64, 1404790), (80, 1123832), (118, 761920), (128, 702395), (160, 561916), (236, 380960), (295, 304768), (320, 280958), (472, 190480), (590, 152384), (640, 140479), (944, 95240), (1180, 76192), (1888, 47620), (2360, 38096), (2381, 37760), (3776, 23810), (4720, 19048), (4762, 18880), (7552, 11905), (9440, 9524)]