17729920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2163

約数の個数: 64

約数和(自身を含む): 45667440

約数和(自身を除く): 27937520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2131, 4160, 4262, 8320, 8524, 10655, 17048, 21310, 27703, 34096, 42620, 55406, 68192, 85240, 110812, 136384, 138515, 170480, 221624, 272768, 277030, 340960, 443248, 554060, 681920, 886496, 1108120, 1363840, 1772992, 2216240, 3545984, 4432480, 8864960, 17729920]

約数ペア:

[(1, 17729920), (2, 8864960), (4, 4432480), (5, 3545984), (8, 2216240), (10, 1772992), (13, 1363840), (16, 1108120), (20, 886496), (26, 681920), (32, 554060), (40, 443248), (52, 340960), (64, 277030), (65, 272768), (80, 221624), (104, 170480), (128, 138515), (130, 136384), (160, 110812), (208, 85240), (260, 68192), (320, 55406), (416, 42620), (520, 34096), (640, 27703), (832, 21310), (1040, 17048), (1664, 10655), (2080, 8524), (2131, 8320), (4160, 4262)]