1089920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 2827440

約数和(自身を除く): 1737520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 131, 160, 208, 260, 262, 320, 416, 520, 524, 640, 655, 832, 1040, 1048, 1310, 1664, 1703, 2080, 2096, 2620, 3406, 4160, 4192, 5240, 6812, 8320, 8384, 8515, 10480, 13624, 16768, 17030, 20960, 27248, 34060, 41920, 54496, 68120, 83840, 108992, 136240, 217984, 272480, 544960, 1089920]

約数ペア:

[(1, 1089920), (2, 544960), (4, 272480), (5, 217984), (8, 136240), (10, 108992), (13, 83840), (16, 68120), (20, 54496), (26, 41920), (32, 34060), (40, 27248), (52, 20960), (64, 17030), (65, 16768), (80, 13624), (104, 10480), (128, 8515), (130, 8384), (131, 8320), (160, 6812), (208, 5240), (260, 4192), (262, 4160), (320, 3406), (416, 2620), (520, 2096), (524, 2080), (640, 1703), (655, 1664), (832, 1310), (1040, 1048)]