40338760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1871}}^1$

素因数の和:1907

約数の個数: 96

約数和(自身を含む): 115240320

約数和(自身を除く): 74901560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1871, 1960, 2156, 2695, 3080, 3742, 4312, 5390, 7484, 9355, 10780, 13097, 14968, 18710, 20581, 21560, 26194, 37420, 41162, 52388, 65485, 74840, 82324, 91679, 102905, 104776, 130970, 144067, 164648, 183358, 205810, 261940, 288134, 366716, 411620, 458395, 523880, 576268, 720335, 733432, 823240, 916790, 1008469, 1152536, 1440670, 1833580, 2016938, 2881340, 3667160, 4033876, 5042345, 5762680, 8067752, 10084690, 20169380, 40338760]

約数ペア:

[(1, 40338760), (2, 20169380), (4, 10084690), (5, 8067752), (7, 5762680), (8, 5042345), (10, 4033876), (11, 3667160), (14, 2881340), (20, 2016938), (22, 1833580), (28, 1440670), (35, 1152536), (40, 1008469), (44, 916790), (49, 823240), (55, 733432), (56, 720335), (70, 576268), (77, 523880), (88, 458395), (98, 411620), (110, 366716), (140, 288134), (154, 261940), (196, 205810), (220, 183358), (245, 164648), (280, 144067), (308, 130970), (385, 104776), (392, 102905), (440, 91679), (490, 82324), (539, 74840), (616, 65485), (770, 52388), (980, 41162), (1078, 37420), (1540, 26194), (1871, 21560), (1960, 20581), (2156, 18710), (2695, 14968), (3080, 13097), (3742, 10780), (4312, 9355), (5390, 7484)]