11971840

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 29433600

約数和(自身を除く): 17461760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 199, 235, 256, 320, 376, 398, 470, 640, 752, 796, 940, 995, 1280, 1504, 1592, 1880, 1990, 3008, 3184, 3760, 3980, 6016, 6368, 7520, 7960, 9353, 12032, 12736, 15040, 15920, 18706, 25472, 30080, 31840, 37412, 46765, 50944, 60160, 63680, 74824, 93530, 127360, 149648, 187060, 254720, 299296, 374120, 598592, 748240, 1197184, 1496480, 2394368, 2992960, 5985920, 11971840]

約数ペア:

[(1, 11971840), (2, 5985920), (4, 2992960), (5, 2394368), (8, 1496480), (10, 1197184), (16, 748240), (20, 598592), (32, 374120), (40, 299296), (47, 254720), (64, 187060), (80, 149648), (94, 127360), (128, 93530), (160, 74824), (188, 63680), (199, 60160), (235, 50944), (256, 46765), (320, 37412), (376, 31840), (398, 30080), (470, 25472), (640, 18706), (752, 15920), (796, 15040), (940, 12736), (995, 12032), (1280, 9353), (1504, 7960), (1592, 7520), (1880, 6368), (1990, 6016), (3008, 3980), (3184, 3760)]