87772880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2281}}^1$

素因数の和:2344

約数の個数: 80

約数和(自身を含む): 225808464

約数和(自身を除く): 138035584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2281, 2405, 2960, 3848, 4562, 4810, 7696, 9124, 9620, 11405, 18248, 19240, 22810, 29653, 36496, 38480, 45620, 59306, 84397, 91240, 118612, 148265, 168794, 182480, 237224, 296530, 337588, 421985, 474448, 593060, 675176, 843970, 1097161, 1186120, 1350352, 1687940, 2194322, 2372240, 3375880, 4388644, 5485805, 6751760, 8777288, 10971610, 17554576, 21943220, 43886440, 87772880]

約数ペア:

[(1, 87772880), (2, 43886440), (4, 21943220), (5, 17554576), (8, 10971610), (10, 8777288), (13, 6751760), (16, 5485805), (20, 4388644), (26, 3375880), (37, 2372240), (40, 2194322), (52, 1687940), (65, 1350352), (74, 1186120), (80, 1097161), (104, 843970), (130, 675176), (148, 593060), (185, 474448), (208, 421985), (260, 337588), (296, 296530), (370, 237224), (481, 182480), (520, 168794), (592, 148265), (740, 118612), (962, 91240), (1040, 84397), (1480, 59306), (1924, 45620), (2281, 38480), (2405, 36496), (2960, 29653), (3848, 22810), (4562, 19240), (4810, 18248), (7696, 11405), (9124, 9620)]