50818480

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{991}}^1$

素因数の和:1645

約数の個数: 40

約数和(自身を含む): 118456704

約数和(自身を除く): 67638224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 991, 1282, 1982, 2564, 3205, 3964, 4955, 5128, 6410, 7928, 9910, 10256, 12820, 15856, 19820, 25640, 39640, 51280, 79280, 635231, 1270462, 2540924, 3176155, 5081848, 6352310, 10163696, 12704620, 25409240, 50818480]

約数ペア:

[(1, 50818480), (2, 25409240), (4, 12704620), (5, 10163696), (8, 6352310), (10, 5081848), (16, 3176155), (20, 2540924), (40, 1270462), (80, 635231), (641, 79280), (991, 51280), (1282, 39640), (1982, 25640), (2564, 19820), (3205, 15856), (3964, 12820), (4955, 10256), (5128, 9910), (6410, 7928)]