40928720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 113356584

約数和(自身を除く): 72427864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 196, 197, 212, 245, 265, 280, 371, 392, 394, 424, 490, 530, 560, 742, 784, 788, 848, 980, 985, 1060, 1379, 1484, 1576, 1855, 1960, 1970, 2120, 2597, 2758, 2968, 3152, 3710, 3920, 3940, 4240, 5194, 5516, 5936, 6895, 7420, 7880, 9653, 10388, 10441, 11032, 12985, 13790, 14840, 15760, 19306, 20776, 20882, 22064, 25970, 27580, 29680, 38612, 41552, 41764, 48265, 51940, 52205, 55160, 73087, 77224, 83528, 96530, 103880, 104410, 110320, 146174, 154448, 167056, 193060, 207760, 208820, 292348, 365435, 386120, 417640, 511609, 584696, 730870, 772240, 835280, 1023218, 1169392, 1461740, 2046436, 2558045, 2923480, 4092872, 5116090, 5846960, 8185744, 10232180, 20464360, 40928720]

約数ペア:

[(1, 40928720), (2, 20464360), (4, 10232180), (5, 8185744), (7, 5846960), (8, 5116090), (10, 4092872), (14, 2923480), (16, 2558045), (20, 2046436), (28, 1461740), (35, 1169392), (40, 1023218), (49, 835280), (53, 772240), (56, 730870), (70, 584696), (80, 511609), (98, 417640), (106, 386120), (112, 365435), (140, 292348), (196, 208820), (197, 207760), (212, 193060), (245, 167056), (265, 154448), (280, 146174), (371, 110320), (392, 104410), (394, 103880), (424, 96530), (490, 83528), (530, 77224), (560, 73087), (742, 55160), (784, 52205), (788, 51940), (848, 48265), (980, 41764), (985, 41552), (1060, 38612), (1379, 29680), (1484, 27580), (1576, 25970), (1855, 22064), (1960, 20882), (1970, 20776), (2120, 19306), (2597, 15760), (2758, 14840), (2968, 13790), (3152, 12985), (3710, 11032), (3920, 10441), (3940, 10388), (4240, 9653), (5194, 7880), (5516, 7420), (5936, 6895)]