87617920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10531}}^1$

素因数の和:10563

約数の個数: 64

約数和(自身を含む): 225595440

約数和(自身を除く): 137977520

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, 4160, 8320, 10531, 21062, 42124, 52655, 84248, 105310, 136903, 168496, 210620, 273806, 336992, 421240, 547612, 673984, 684515, 842480, 1095224, 1347968, 1369030, 1684960, 2190448, 2738060, 3369920, 4380896, 5476120, 6739840, 8761792, 10952240, 17523584, 21904480, 43808960, 87617920]

約数ペア:

[(1, 87617920), (2, 43808960), (4, 21904480), (5, 17523584), (8, 10952240), (10, 8761792), (13, 6739840), (16, 5476120), (20, 4380896), (26, 3369920), (32, 2738060), (40, 2190448), (52, 1684960), (64, 1369030), (65, 1347968), (80, 1095224), (104, 842480), (128, 684515), (130, 673984), (160, 547612), (208, 421240), (260, 336992), (320, 273806), (416, 210620), (520, 168496), (640, 136903), (832, 105310), (1040, 84248), (1664, 52655), (2080, 42124), (4160, 21062), (8320, 10531)]