40777990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 85536000

約数和(自身を除く): 44758010

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 109, 110, 179, 190, 209, 218, 358, 418, 545, 895, 1045, 1090, 1199, 1790, 1969, 2071, 2090, 2398, 3401, 3938, 4142, 5995, 6802, 9845, 10355, 11990, 17005, 19511, 19690, 20710, 22781, 34010, 37411, 39022, 45562, 74822, 97555, 113905, 187055, 195110, 214621, 227810, 370709, 374110, 429242, 741418, 1073105, 1853545, 2146210, 3707090, 4077799, 8155598, 20388995, 40777990]

約数ペア:

[(1, 40777990), (2, 20388995), (5, 8155598), (10, 4077799), (11, 3707090), (19, 2146210), (22, 1853545), (38, 1073105), (55, 741418), (95, 429242), (109, 374110), (110, 370709), (179, 227810), (190, 214621), (209, 195110), (218, 187055), (358, 113905), (418, 97555), (545, 74822), (895, 45562), (1045, 39022), (1090, 37411), (1199, 34010), (1790, 22781), (1969, 20710), (2071, 19690), (2090, 19511), (2398, 17005), (3401, 11990), (3938, 10355), (4142, 9845), (5995, 6802)]