28816240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15661}}^1$

素因数の和:15697

約数の個数: 40

約数和(自身を含む): 69915168

約数和(自身を除く): 41098928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15661, 31322, 62644, 78305, 125288, 156610, 250576, 313220, 360203, 626440, 720406, 1252880, 1440812, 1801015, 2881624, 3602030, 5763248, 7204060, 14408120, 28816240]

約数ペア:

[(1, 28816240), (2, 14408120), (4, 7204060), (5, 5763248), (8, 3602030), (10, 2881624), (16, 1801015), (20, 1440812), (23, 1252880), (40, 720406), (46, 626440), (80, 360203), (92, 313220), (115, 250576), (184, 156610), (230, 125288), (368, 78305), (460, 62644), (920, 31322), (1840, 15661)]