91571840

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{719}}^1$

素因数の和:937

約数の個数: 64

約数和(自身を含む): 220320000

約数和(自身を除く): 128748160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 640, 719, 796, 995, 1438, 1592, 1990, 2876, 3184, 3595, 3980, 5752, 6368, 7190, 7960, 11504, 12736, 14380, 15920, 23008, 25472, 28760, 31840, 46016, 57520, 63680, 92032, 115040, 127360, 143081, 230080, 286162, 460160, 572324, 715405, 1144648, 1430810, 2289296, 2861620, 4578592, 5723240, 9157184, 11446480, 18314368, 22892960, 45785920, 91571840]

約数ペア:

[(1, 91571840), (2, 45785920), (4, 22892960), (5, 18314368), (8, 11446480), (10, 9157184), (16, 5723240), (20, 4578592), (32, 2861620), (40, 2289296), (64, 1430810), (80, 1144648), (128, 715405), (160, 572324), (199, 460160), (320, 286162), (398, 230080), (640, 143081), (719, 127360), (796, 115040), (995, 92032), (1438, 63680), (1592, 57520), (1990, 46016), (2876, 31840), (3184, 28760), (3595, 25472), (3980, 23008), (5752, 15920), (6368, 14380), (7190, 12736), (7960, 11504)]