40827080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 105840000

約数和(自身を除く): 65012920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1049, 1112, 1390, 1946, 2098, 2780, 3892, 4196, 4865, 5245, 5560, 7343, 7784, 8392, 9730, 10490, 14686, 19460, 20980, 29372, 36715, 38920, 41960, 58744, 73430, 145811, 146860, 291622, 293720, 583244, 729055, 1020677, 1166488, 1458110, 2041354, 2916220, 4082708, 5103385, 5832440, 8165416, 10206770, 20413540, 40827080]

約数ペア:

[(1, 40827080), (2, 20413540), (4, 10206770), (5, 8165416), (7, 5832440), (8, 5103385), (10, 4082708), (14, 2916220), (20, 2041354), (28, 1458110), (35, 1166488), (40, 1020677), (56, 729055), (70, 583244), (139, 293720), (140, 291622), (278, 146860), (280, 145811), (556, 73430), (695, 58744), (973, 41960), (1049, 38920), (1112, 36715), (1390, 29372), (1946, 20980), (2098, 19460), (2780, 14686), (3892, 10490), (4196, 9730), (4865, 8392), (5245, 7784), (5560, 7343)]