51704920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 124312320

約数和(自身を除く): 72607400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1307, 1720, 1978, 2614, 3956, 4945, 5228, 6535, 7912, 9890, 10456, 13070, 19780, 26140, 30061, 39560, 52280, 56201, 60122, 112402, 120244, 150305, 224804, 240488, 281005, 300610, 449608, 562010, 601220, 1124020, 1202440, 1292623, 2248040, 2585246, 5170492, 6463115, 10340984, 12926230, 25852460, 51704920]

約数ペア:

[(1, 51704920), (2, 25852460), (4, 12926230), (5, 10340984), (8, 6463115), (10, 5170492), (20, 2585246), (23, 2248040), (40, 1292623), (43, 1202440), (46, 1124020), (86, 601220), (92, 562010), (115, 449608), (172, 300610), (184, 281005), (215, 240488), (230, 224804), (344, 150305), (430, 120244), (460, 112402), (860, 60122), (920, 56201), (989, 52280), (1307, 39560), (1720, 30061), (1978, 26140), (2614, 19780), (3956, 13070), (4945, 10456), (5228, 9890), (6535, 7912)]