40032520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2459}}^1$

素因数の和:2518

約数の個数: 64

約数和(自身を含む): 100958400

約数和(自身を除く): 60925880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 2459, 3256, 4070, 4918, 8140, 9836, 12295, 16280, 19672, 24590, 27049, 49180, 54098, 90983, 98360, 108196, 135245, 181966, 216392, 270490, 363932, 454915, 540980, 727864, 909830, 1000813, 1081960, 1819660, 2001626, 3639320, 4003252, 5004065, 8006504, 10008130, 20016260, 40032520]

約数ペア:

[(1, 40032520), (2, 20016260), (4, 10008130), (5, 8006504), (8, 5004065), (10, 4003252), (11, 3639320), (20, 2001626), (22, 1819660), (37, 1081960), (40, 1000813), (44, 909830), (55, 727864), (74, 540980), (88, 454915), (110, 363932), (148, 270490), (185, 216392), (220, 181966), (296, 135245), (370, 108196), (407, 98360), (440, 90983), (740, 54098), (814, 49180), (1480, 27049), (1628, 24590), (2035, 19672), (2459, 16280), (3256, 12295), (4070, 9836), (4918, 8140)]