8856280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 21542400

約数和(自身を除く): 12686120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 271, 344, 380, 430, 542, 760, 817, 860, 1084, 1355, 1634, 1720, 2168, 2710, 3268, 4085, 5149, 5420, 6536, 8170, 10298, 10840, 11653, 16340, 20596, 23306, 25745, 32680, 41192, 46612, 51490, 58265, 93224, 102980, 116530, 205960, 221407, 233060, 442814, 466120, 885628, 1107035, 1771256, 2214070, 4428140, 8856280]

約数ペア:

[(1, 8856280), (2, 4428140), (4, 2214070), (5, 1771256), (8, 1107035), (10, 885628), (19, 466120), (20, 442814), (38, 233060), (40, 221407), (43, 205960), (76, 116530), (86, 102980), (95, 93224), (152, 58265), (172, 51490), (190, 46612), (215, 41192), (271, 32680), (344, 25745), (380, 23306), (430, 20596), (542, 16340), (760, 11653), (817, 10840), (860, 10298), (1084, 8170), (1355, 6536), (1634, 5420), (1720, 5149), (2168, 4085), (2710, 3268)]