2216240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2157

約数の個数: 40

約数和(自身を含む): 5551728

約数和(自身を除く): 3335488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2131, 4262, 8524, 10655, 17048, 21310, 27703, 34096, 42620, 55406, 85240, 110812, 138515, 170480, 221624, 277030, 443248, 554060, 1108120, 2216240]

約数ペア:

[(1, 2216240), (2, 1108120), (4, 554060), (5, 443248), (8, 277030), (10, 221624), (13, 170480), (16, 138515), (20, 110812), (26, 85240), (40, 55406), (52, 42620), (65, 34096), (80, 27703), (104, 21310), (130, 17048), (208, 10655), (260, 8524), (520, 4262), (1040, 2131)]