40575920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{941}}^1$

素因数の和:979

約数の個数: 120

約数和(自身を含む): 119845008

約数和(自身を除く): 79269088

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 941, 980, 1078, 1232, 1540, 1882, 1960, 2156, 2695, 3080, 3764, 3920, 4312, 4705, 5390, 6160, 6587, 7528, 8624, 9410, 10351, 10780, 13174, 15056, 18820, 20702, 21560, 26348, 32935, 37640, 41404, 43120, 46109, 51755, 52696, 65870, 72457, 75280, 82808, 92218, 103510, 105392, 131740, 144914, 165616, 184436, 207020, 230545, 263480, 289828, 362285, 368872, 414040, 461090, 507199, 526960, 579656, 724570, 737744, 828080, 922180, 1014398, 1159312, 1449140, 1844360, 2028796, 2535995, 2898280, 3688720, 4057592, 5071990, 5796560, 8115184, 10143980, 20287960, 40575920]

約数ペア:

[(1, 40575920), (2, 20287960), (4, 10143980), (5, 8115184), (7, 5796560), (8, 5071990), (10, 4057592), (11, 3688720), (14, 2898280), (16, 2535995), (20, 2028796), (22, 1844360), (28, 1449140), (35, 1159312), (40, 1014398), (44, 922180), (49, 828080), (55, 737744), (56, 724570), (70, 579656), (77, 526960), (80, 507199), (88, 461090), (98, 414040), (110, 368872), (112, 362285), (140, 289828), (154, 263480), (176, 230545), (196, 207020), (220, 184436), (245, 165616), (280, 144914), (308, 131740), (385, 105392), (392, 103510), (440, 92218), (490, 82808), (539, 75280), (560, 72457), (616, 65870), (770, 52696), (784, 51755), (880, 46109), (941, 43120), (980, 41404), (1078, 37640), (1232, 32935), (1540, 26348), (1882, 21560), (1960, 20702), (2156, 18820), (2695, 15056), (3080, 13174), (3764, 10780), (3920, 10351), (4312, 9410), (4705, 8624), (5390, 7528), (6160, 6587)]