5221760

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 12852000

約数和(自身を除く): 7630240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 199, 205, 320, 328, 398, 410, 640, 656, 796, 820, 995, 1312, 1592, 1640, 1990, 2624, 3184, 3280, 3980, 5248, 6368, 6560, 7960, 8159, 12736, 13120, 15920, 16318, 25472, 26240, 31840, 32636, 40795, 63680, 65272, 81590, 127360, 130544, 163180, 261088, 326360, 522176, 652720, 1044352, 1305440, 2610880, 5221760]

約数ペア:

[(1, 5221760), (2, 2610880), (4, 1305440), (5, 1044352), (8, 652720), (10, 522176), (16, 326360), (20, 261088), (32, 163180), (40, 130544), (41, 127360), (64, 81590), (80, 65272), (82, 63680), (128, 40795), (160, 32636), (164, 31840), (199, 26240), (205, 25472), (320, 16318), (328, 15920), (398, 13120), (410, 12736), (640, 8159), (656, 7960), (796, 6560), (820, 6368), (995, 5248), (1312, 3980), (1592, 3280), (1640, 3184), (1990, 2624)]