87089920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3581}}^1$

素因数の和:3621

約数の個数: 72

約数和(自身を含む): 219648240

約数和(自身を除く): 132558320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 3581, 4864, 6080, 7162, 12160, 14324, 17905, 24320, 28648, 35810, 57296, 68039, 71620, 114592, 136078, 143240, 229184, 272156, 286480, 340195, 458368, 544312, 572960, 680390, 916736, 1088624, 1145920, 1360780, 2177248, 2291840, 2721560, 4354496, 4583680, 5443120, 8708992, 10886240, 17417984, 21772480, 43544960, 87089920]

約数ペア:

[(1, 87089920), (2, 43544960), (4, 21772480), (5, 17417984), (8, 10886240), (10, 8708992), (16, 5443120), (19, 4583680), (20, 4354496), (32, 2721560), (38, 2291840), (40, 2177248), (64, 1360780), (76, 1145920), (80, 1088624), (95, 916736), (128, 680390), (152, 572960), (160, 544312), (190, 458368), (256, 340195), (304, 286480), (320, 272156), (380, 229184), (608, 143240), (640, 136078), (760, 114592), (1216, 71620), (1280, 68039), (1520, 57296), (2432, 35810), (3040, 28648), (3581, 24320), (4864, 17905), (6080, 14324), (7162, 12160)]