827840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:229

約数の個数: 56

約数和(自身を含む): 2133600

約数和(自身を除く): 1305760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 199, 208, 260, 320, 398, 416, 520, 796, 832, 995, 1040, 1592, 1990, 2080, 2587, 3184, 3980, 4160, 5174, 6368, 7960, 10348, 12736, 12935, 15920, 20696, 25870, 31840, 41392, 51740, 63680, 82784, 103480, 165568, 206960, 413920, 827840]

約数ペア:

[(1, 827840), (2, 413920), (4, 206960), (5, 165568), (8, 103480), (10, 82784), (13, 63680), (16, 51740), (20, 41392), (26, 31840), (32, 25870), (40, 20696), (52, 15920), (64, 12935), (65, 12736), (80, 10348), (104, 7960), (130, 6368), (160, 5174), (199, 4160), (208, 3980), (260, 3184), (320, 2587), (398, 2080), (416, 1990), (520, 1592), (796, 1040), (832, 995)]